Hull joined Buddy Miles, Johnny Winter, Charlie Karp, Billy Cox, Mitch Mitchell and Noel Redding at a nearby hall.
In 2006, Hull filled in on Aerosmith's Route of All Evil Tour for regular bassist Tom Hamilton who was absent while recovering from throat cancer.
[7] In 2009, after filling in for Hamilton again on another of Aerosmith's international tours, Hull reunited with The Joe Perry Project on the band's album Have Guitar, Will Travel.
In September 2010, Hull released a solo CD Soul In Motion, on which he performed guitar, bass and lead vocals.
Guest musicians included Joe Perry, contributing lead guitar on the title song, and Charlie Farren on background vocals.