At 41:21 we get a brief glimpse of Waves H-Delay when discussing delay effects used on vocals.

Used for Quavo and Offest's features on Beyoncé and Jay-Z's "Apeshit", as stated by producer Stuart White in this September 2018 Sound on Sound interview.

The first four aux tracks feature SoundToys effects, namely Little Microshift, two EchoBoy delays, and a delay from the Little PrimalTap. Next are a Hall Reverb aux and a Church Reverb aux, both using Waves’ RVerb, an EMT plate from Audio Ease’s Altiverb, four aux tracks with the Waves H-Delay and various other plug-ins on them as well, and four more reverb auxes with the Avid Revibe II, two Avid D-Verbs and another RVerb.

White: “I use the Little Microshift in pretty much every mix, with the left-right micro pitch-shift effect that’s similar to the classic effect in the Eventide H3000 shift where you pitch one side down six cents and one side up six cents to create width. It’s a good way to get your vocals wider without them being out of phase. It thickens up vocals, and is kind of like a doubler. I do quite a lot of filtering on some of the EchoBoy delays, for example with the Waves REQ, and I am adding colour with the SoundToys Devil-Loc, which is great if you want to colour the delay so it is separate from the main vocal, and compress it with the UAD LA3A and mix that in to taste.”

(...) “The Migos vocals came in as seven audio tracks, with the Avid D-Verb on each of them. Putting a D-Verb on a track before EQ is not something I normally do, but it sounded great. So I adjusted them a bit, but otherwise left them as they were. The tracks also came in with the Aux track above, and the EQ3, with a high pass at 60Hz and notches at 430Hz and 1.41kHz and a high boost, the Waves API 2500 compressor, the RComp, the Waves Q10 EQ, following a slightly similar curve to the EQ3, the Waves De-esser, the Waves Aphex Aural Exciter, and the Avid Dyn3 expander/gate. I added the EQ3, with another high-pass filter at 144Hz, and the RComp, with a ratio of 10:1.”

Used for Ray's vocals on "Old Town Road (Remix)", as stated by mix engineer Andrew "VoxGod" Bolooki in this August 2019 Sound on Sound interview.

Billy Ray Cyrus' verse lead vocal provides an example of the mind-boggling complexity of Bolooki's vocal treatments. The audio is spread over five tracks (36-40), four of them with the same insert effects chain of Melodyne, FabFilter Pro-Q 3, FabFilter Pro-DS and Waves CLA-76. The fifth track replaces the Pro-DS with the Avid ModDelay 3, and adds a send to the 'rvb2' aux with the Soundtoys Effect Rack. All five audio tracks are routed to an aux group track (35), which has the Pro-Q 3, Waves C6 and RVox, UA Distressor and SSL Channel, plus a whopping seven sends to delay and reverb aux tracks, and another Distressor aux. The quarter- and eighth-note delay auxes themselves each have four insert plug-ins (Waves H-Delay, Pro-Q 3, MetaFlanger, and DVerb) and a send to the 'rvb1' reverb aux. That means that the verse vocal alone has a total of 38 plug-ins, spread over five audio tracks, one group aux track, and seven aux effects tracks!

Bolooki: "I spoke to a mixer a couple of years ago and asked him how he got things to sound so polished. And he said: 'You can't just throw on a plug-in, you have to take more control, and make sure you purposely put things in different places in different ways.' So, for example, in this song I added the DVerb to the delay auxes, to create a distant effect, so it's not obvious. There are many effects going on, but none of them are overpowering. They are all set back. Nothing gets in the way of the lyrics and the vocal performance. I could probably delete half these effects and it would have sounded the same, but people liked it the way it was, so I left them all.

"This was the first time I used the UAD Distressors and I ended up having two on Billy's vocals: one as part of his main vocal aux, and another set much more aggressively in a parallel and blended back into the same lead vocal aux. This made his vocals really kick ass, and helped make each word crystal-clear. I also ended up copying the Waves SSL strip from Nas' vocals on some of Billy's vocal tracks too, just for some tonal continuity. I have no problem stacking plug-ins on plug-ins. If it's better, it's better.

"Just to highlight some of the other plug-ins I used, there's an aux called 'VoxDoubler' with the Waves Greg Wells VoiceCentric. It definitely adds a bit more of a finished feel and works well mixed in parallel. I put the Waves C6 multiband compressor on almost every single vocal bus, using the 'Pooch Vocal' preset. This cleans up some of the mud. You can solo the side-chain bands and sweep around until you find the annoying frequency, and then just cut that out. If I need to play back something for someone really fast, this is my emergency plug-in to get it to sound better really quickly. Also, the Melodyne plug-in is greyed out, because I printed it. I also like using the Pro-DS, and always put it before the CL76 compressor, because I think it just makes the most sense to fix issues before you boost the whole track with a compressor."

In this video at 18:35 we can see Waves H-Delay

At Waves H-Delay Hybrid Delay Can Be Seen 1:21 Into This Video

FB Post displays a screenshot of Waves H-Delay.

Can be seen in the effects of the channel.

Used for vocals on "Gum Body" and "Time Flies", as stated by mix engineer Jesse Ray Ernster in this June 12, 2020 MusicTech interview and this June 2021 Sound on Sound interview respectively.

MusicTech, June 12, 2020, "Mile-high mixes, Kanye and NES: Jesse Ray Ernster on mixing Burna Boy’s African Giant"

BURNA’S VOCAL: “A big part of the job of a mixer is knowing when not to change things,” insists Ernster, “Burna’s vocal usually doesn’t require much work, and this song was no exception! His vocal stem arrived with all processing and effects printed into the track, and it sounded identical to the approved reference mix that he had grown accustomed to hearing, so my job was to enhance subtly, without changing the vibe too much!”

The first plug-in on the vocal chain was the Metric Halo Transient Control, with the sustain knob turned down to tame some of the effects and cut down room reverberation that had bled into the microphone, for a closer, more up-front vocal. Next, Ernster deployed the trusty bx_SSL E channel plug-in to boost 4.3khz and 13.5khz to help emphasize some of the consonants of Burna’s vocal, for better intelligibility.

Not one to believe in magic frequencies, Ernster’s technique is to “sweep around until the sound feels better to my ears.” Liking where the vocal was sitting against the track, but with certain phrases poking out unevenly, Ernster reached for a compressor. But his favourites – Rev E 1176, CLA-76 – all altered the ratio between vocals and effects too much, making the voice sound washed out. “I ended up rolling with a combo of clip-gain automation and some subtle compression on the Metric Halo Channel Strip. That glued the vocal into place without changing the character that we all loved from the reference mix.”

“After that, I used an instance of Soothe to tame a few whistley resonances that were poking through and causing harshness at 2.9khz and 5.3khz. The final step in the vocal processing sees the Acustica Amber3 (which emulates the Avalon AD2055) boosted at 25khz for some “silky air”. “I usually reach for the Crane Song Phoenix as a final touch to pull a bit of grit forward, and in this scenario, I used the Luster/Sapphire setting with a 68% mix. Finally, I used a FabFilter ProQ3 to cut 0.73dB at 490hz to dial back a resonance.”

VOCAL FX & DEPTH: “Lately, I’ve been focusing on depth within my mixes,” says Ernster. “It’s crucial to me that the singer is glued into a similar sonic environment as the rest of the arrangement.”

“I sent Burna’s vocal to a series of effects busses that I used to fuse the vocal into the metaphorical space of the song. On this song, I used a few different simple Waves H-Delay tracks set at 1/2, 1/4, 1/8th, 1/16th note, and a quick slap setting. All of these fed into reverb tracks with Revibe II, Valhalla VintageVerb (Dirty Plate), and Lexicon Medium Hall. I adjusted the blend of these multiple effects auxes until the blend felt glued, but also still similar enough to the reference mix – just better and deeper.”

Sound on Sound, June 2021, "Inside Track: Burna Boy 'Time Flies'"

“The song already felt great after a few minutes of mixing,” Ernster continues. “The reference mix felt good, the beat was solid too. As I mentioned earlier, after that it was a matter of getting the vocals to shine. Dialling in the vocals took quite a bit of time on this song, because there were so many of them. This song was all about the backing vocals, getting them to sit in a place where they can shine and sparkle and just sit perfectly.

“Pretty much every background vocal on the song has the CLA Mix Hub channel strip, doing some high‑pass filtering, some EQ, and compression. I approached this mix a bit like a console mix, and dialling in every background vocal with the Mix Hub got them where I wanted them to be. I did not need 10 plug‑ins to make the background vocals sound good. This plug‑in just lit them up.

“One interesting moment with the backing vocals is in the bridge of the song. Diddy had a vision that these ‘welelel’ vocals would not only be wide but would also be wrapping around, with the panning going from left to right. So I put on the Waves S1 Shuffler, turned up the width knob and then automated the panning. It was a bold Diddy move that really paid off. It became a special moment, and is one of my favourite spots in the song.

“Underneath the ‘welelel’ track are nine backing vocal aux effect tracks, which are a ModDelay 3; 16th‑note, eighth‑note, quarter‑note and half‑note delays (all the Valhalla Delay); a ping‑pong delay (Waves H‑Delay); and all those tracks have sends to a Valhalla Vintage Verb plate and the FabFilfter Pro‑R. And all those feed the BGV FX bus. I was just moving these effects all around until they felt right.

“Burna’s main lead vocal is in red. One technique I learned from my dad is to ride the fader on vocals, so you don’t get the anomalies that you can get when compression is applied to a recorded voice. As I don’t have a fader, I chopped up the vocal and then adjusted the Clip Gain for each phrase. As for processing, I added the Gullfoss EQ, that kind of rides the frequencies, and which I love. I used it on Burna’s voice on most of the album. There’s also a Pro‑Q 3 to notch out some frequencies, and the Acustica Amber 3 EQ, which adds the most gorgeous top end.

“There’s a send on the main lead vocal to an aux with the Soundtoys Devil‑Loc, adding parallel distortion. It’s a bus I try once in a while. If the vocal is sitting where I want it to sit in the mix volume‑wise, but it needs a little bit more glue, body and warmth, I’ll go for the Devil‑Loc. It brings the vocal straight up into your face. If you want a pop vocal that is right on top of everything, this is it.

“I also have other vocal aux effect tracks, ie. different delays, reverbs, pitch‑shifts. I generally do not use reverbs on the lead vocal, but only delays, because they take up less space. Then I’ll have a delay to feed a reverb that can sit in the background. The pre‑delay creates this ocean of ambience that does not take away from the intimacy and upfront nature of the lead vocal.

“There are a couple of tracks called ‘Throw’, and I create those by dragging duplicate audio to a separate track, and then putting an effect on with the mix at 100 percent, in this case Valhalla Delays. I don’t really like using automation on sends and muting and so on, as it’s a really slow workflow. It takes one second to drag down some audio, add a delay and done.

“Below the ‘Throw’ tracks are two Time Adjuster aux tracks and a Valhalla Space Modulator aux track. Together they recreate the Eventide H3000 wide vocal effect. The Time Adjuster plug‑in delays the left and right channels a bit, and one channel has the CLA MixHub to add some distortion and the other channel has the lo‑fi. The Valhalla Space Modulator is followed by a Cranesong Phoenix II, driving really hard in Dark Essence mode. These three go to an aux called ‘SHIFT M’, and it turns a mono vocal into a wide, enveloping, beautiful vocal. Also, there’s a ‘Lead Vocal All FX’ aux with the Pro‑Q 3 EQ that takes out all top and bottom, which you don’t need on vocal effects.”

In this video at 20:21 see Waves H-Delay Hybrid Delay

At 10:06 in the Sound On Sound magazine video titled "Jeff Ellis: Engineering Frank Ocean," audio engineer Jeff Ellis mentions using the Waves H-Delay Hybrid Delay plugin for mixing purposes.

This plugin is being used by Deepend, as it can be seen in this Instagram video

"My favorite delay ever." - Sublab, when opening Waves H-Delay at 14:39 in this video