Johnston provided the lead vocals for the band from 1970 to 1975, when they featured a mainstream rock sound with elements of folk, country and R&B. Active for five decades, with their greatest success during the 1970s, the group's current lineup consists of founding members Tom Johnston (guitars, vocals) and Patrick Simmons (guitars, vocals), alongside Michael McDonald (keyboards, vocals) and John McFee (guitars, pedal steel, violin, backing vocals), and touring musicians including John Cowan (bass, vocals), Marc Russo (saxophones), Ed Toth (drums), and Marc Quiñones (percussion). The Doobie Brothers are an American rock band formed in 1970 in San Jose, California, known for their flexibility in performing across numerous genres and their vocal harmonies. See: List of the Doobie Brothers band members