He has also collaborated with numerous other artists in the genre of orchestral/underground pop, including Baby Lemonade, Wonderboy, Aimee Mann, Now People, Lisa Mychols and Donna Summer.
The Masticators was a band in the pop genre founded by Lisa Mychols in 1998 with the following lineup: Robbie Rist - Drums, Patrick McGrath - Lead Guitar and Severo Jornacion - Bass.
Mona Lisa | Lisa | Lisa Stansfield | Lisa Simpson | Lisa Loeb | Lisa Olson | Lisa McCune | Lisa Lopes | Lisa Leslie | Lisa Kudrow | Lisa Jarnot | Lisa Hannigan | Lisa Fernandez | Apple Lisa | Lisa Ray | Lisa Marie Varon | Lisa Firestone | Mona Lisa (opera) | Lisa Tuttle | Lisa Smedman | Lisa (musician) | Lisa Murkowski | Lisa Moscatiello | Lisa Madigan | Lisa Joann Thompson | Lisa Guerrero | Lisa Gerritsen | Lisa Andreas | The Old Man and the Lisa | Supernova (Lisa Lopes album) |
Severo Jornacion, went on to join the Smithereens, Lisa Mychols on to her solo projects, and Robbie to join Steve Barton and the Oblivion Click, Kingsizemaybe, Nice Guy Eddie and Jeff Caudill and the Good Times Band.