[4] Encouraged by music producer Gus Dudgeon, he soon moved to Trident Studios, where he worked with Dudgeon, Tony Visconti, Mick Jagger and Keith Richards, and Frank Zappa, as well as recording artists such as The Rolling Stones, David Bowie, The Who, Gasolin', Nazareth, Santana, The Mothers of Invention, Jet, Be Bop Deluxe, Free and T.

At this time under his new CBS deal RTB produced Journey, Starcastle, Reggie Knighton (The Grass Roots), Ian Hunter and Ronnie Wood (The Rolling Stones).

Baker, also at this time, committed to produce four albums for The Cars after being prompted by Elektra Records to see them perform in a Boston school gymnasium.

During his tenure, Elektra signed artists Metallica, Simply Red, Yello, Peter Schilling, The World and 10,000 Maniacs.

Baker has also worked with artists Guns N' Roses, Alice Cooper, Foreigner, Pilot, Ozzy Osbourne, Devo, The Stranglers, Dusty Springfield, T'Pau, Local H, Cheap Trick and Lewis Furey.