electric guitar, 6-string bass guitar Jacob Valenzuela (of Calexico) – trumpet Martin Wenk (of Calexico) – trumpet, vibes, claves Volker Zander (of Calexico) – upright bass Flaco Jiménez – accordion Denny Freeman – electric guitar, piano John Contreras – acoustic guitar, vihuela Max Baca – bajo sexto, backing vocals Adolph Ortiz - guitarron, backing vocals Augie Meyers – piano Hunt Sales – drums Redd Volkaert – electric guitar Charlie Sexton – guitars, lap steel guitar, piano, percussion, producer Rick Clark, Dan Goodman, Charlie Sexton – Producers Dave McNair – Engineer/mixer Texas Treefort Studios – Recording complex, Austin TX References External links Los Super Seven official site Latin American music Grammy Award winners Rock music supergroups Musical groups established in 1998