He appeared with Go Ahead side project started by members of Grateful Dead,[2] John Cipollina and friends, the Average White Band and David Sancious.

[3] Ligertwood sang lead vocals on the song "Crank It Up" by The Dregs, (previously known as Dixie Dregs), from the album Industry Standard (1982),[4] as well as contributing the lead vocal on the song "Double Bad" from Jeff Lorber's album In the Heat of the Night (1984).

[5] In 1972, he was a member of the ephemerous Troc band with drummer André Ceccarelli, bassist Jannick Top, pianist Henri Giordano and guitarist Jacky Giraudo.

He sang on a cover of the Scorpions song "Is There Anybody There", which appears on drummer Herman Rarebell's solo album Acoustic Fever (2013).

[7] In 2014, Ligertwood was invited by producer Gerry Gallagher to record with Latin rock band El Chicano.