In this video, John is playing his 64 Thunderbird IV. On [Gibson's website](http://www2.gibson.com/News-Lifestyle/Features/en-us/20-Essential-Facts-About-Gibson-Basses.aspx) they write "One definite fan, though, was The Who’s John Entwistle who used both “reverse” and “non-reverse” Thunderbird IVs in the early ‘70s. He told *Guitar Player* magazine in 1975, 'Once I realized the Thunderbird was the bass I was going to be playing for a few years, I panicked because (Gibson had) stopped making them. I went to Manny’s (NYC guitar store) and told them to buy up the whole stock, so consequently I got 10 two-pickup Thunderbirds.'"more
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