Twin Peaks2 LPs on 1 CD. Mountain: Leslie West (vocals, guitar); Felix Pappalardi (vocals, bass); Bob Mann (guitar, keyboards); Alan Schwartzberg (drums). After Mountain split up in 1972, it sporadically reunited in one form or another, even after bassist Felix Pappalardi's death in the early '80s. The first such reunion took place less than a year after its first split, resulting in a new studio album, AVALANCHE, and a live set, TWIN PEAKS. Issued in 1974,