It was during this period that Lewis began to develop what was to become his signature fingerpicking guitar style. Although galvanized by Roger McGuinn's playing, Lewis chose to explore the style on the six-string electric, and this set him apart from many other guitarists at the time who were merely imitating McGuinn, utilizing 12-string Rickenbackers. For over a year, Lewis and his new band, Peter the Wolves, played up and down the West Coast.
Sometime in 1966, Lewis began playing with another underestimated musical genius, Joel Scott Hill, and through him, met bassist/vocalist Bob Mosley, and the Moby Grape odyssey began. Lewis' contributions to the band were great and many. Aside from furnishing the band with some of their best and most accessible rockers such as Fall on You and Goin' Down to Texas,, he also had an introspective, psychologically probing and psychedelic ballad style, and this is where his originality and talent truly shine. This is best represented on songs such as He, That Lost Horizon, Horse Out in the Rain, and Sittin' by the Window (which be reprised brilliantly on his 1995 self-titled solo album). He also penned the profound Changes, Circles Spinning, which can be seen as an ode to the end of the '60s, and was part of Joan Baez' late-'60s live repertoire.Between brief Moby Grape reunions in the '70s, Lewis and another Grape co-founder, the late Skip Spence, were instrumental in helping assemble the Doobie Brothers, as well as assisting in getting them signed to Warner Bros. Lewis was rumored to have an offer to join the band early on with Spence, but when his former bandmate decided not to pursue this, Lewis declined as well.
In 1995, he released his only solo album to date, Peter Lewis, on the German-based Taxim Records label. Produced by former Doobies guitarist John McFee, the record is a penetrating example of Lewis' unique talent, as well as his musical growth. He has spent the last few years recording tracks for a follow-up album, and still sporadically performs live as a solo artist and occasionally with some of the surviving members of Moby Grape. At his solo shows, as if to bring things full circle, he often performs a brilliant version of Gene Clark's Set You Free This Time, which was originally on the Byrds' Turn! Turn! Turn! album. ~ Matthew Greenwald, Rovi