Geddy Lee is confirmed to have used Rotosound RS66LDN Pure Nickel Bass Strings (45-105) on the album "Moving Pictures" by Rush, as noted by the Rotosound website. The source states that Geddy has been a long-time user of Rotosound strings since the early days of Rush.

According to "livenirvana.com", Krist uses the Rotosound RS66 Long Scale Standard Gauge strings

According to the Rotosound Music Strings website, John Paul Jones used Rotosound RS66LDN Pure Nickel Bass Strings (45-105) specifically for the album "Led Zeppelin III."

Duff McKagan is confirmed to use Rotosound RS66LDN Pure Nickel Bass Strings (45-105) on the album "Appetite for Destruction," as stated by Rotosound Music Strings. It is well-documented that McKagan has been a long-time user of Rotosound strings on both his basses and guitars.

According to the Rotosound website, John Deacon used Rotosound RS66LDN Pure Nickel Bass Strings (45-105) on the albums "A Night At The Opera," "A Day at the Races," "News of the World," and "Jazz."

John Entwistle is confirmed to use Rotosound RS66LDN Pure Nickel Bass Strings (45-105) as mentioned on the Rotosound page, specifically in the albums "Live at Leeds" and "Who's Next," according to Rotosound Music Strings.

Used on the album "Lean into it" by Mr. Big according to the Rotosound website

According to the Rotosound Music Strings website, Noel Redding used Rotosound RS66LDN Pure Nickel Bass Strings (45-105) for the recording of "Electric Ladyland."

During the recent Ecos tour, a close-up picture shared on Instagram by Soda Stereo reveals that Zeta Bosio uses Rotosound RS66LDN Pure Nickel Bass Strings (45-105). The image clearly shows the light blue silk and the red, white, and blue ball ends, which are distinctive features of Rotosound strings. Zeta Bosio has been a consistent user of Rotosound strings since the late 1980s and has appeared in promotional ads for them in recent years.

Conor Deegan III, bassist of Fontaines D.C., confirms his use of Rotosound RS66LDN Pure Nickel Bass Strings (45-105) on his Jazz and Precision basses during a Premier Guitar Rig Rundown. He specifically mentions using the Rotosound Swing 66 set and identifies the nickel version through the distinct red, blue, and white ball ends, along with the light blue silk at the string ends.

According to the Rotosound website, Bruce Foxton used Rotosound RS66LDN Pure Nickel Bass Strings (45-105) for the recording of "In the City."

Kinga Głyk uses Rotosound RS66LDN Pure Nickel Bass Strings (45-105), as confirmed by an official video from Rotosound, which highlights her long-term use and appreciation of these strings.