New From Jason Keiser, Double Course

ByJGT Newsroom June 30, 2026June 30, 2026

Double Course, the new album by guitarist Jason Keiser’s Bay Area-based ensemble The New Acoustic Collective.

Featuring various permutations of a crack ensemble including Erik Jekabson (trumpet), Trevor Gabriel (mandolin), Nathaniel Grohmann (cello), Ryan Triolo (double bass), Elijah Chen (guitar) and Thomas Cassell (mandolin), Double Course, “seamlessly weaves global influences into a musical language that remains deeply rooted in the spirit and tradition of Jazz.” (Ardeshir Farah)

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Est. 2018 | Jazz Guitar Today... Today, Tomorrow & Tradition. JGT is where jazz guitarists come to learn, level up, and stay inspired. From world-class lessons and legendary artist interviews to trusted gear reviews and trend-setting content, we’re shaping the conversation around modern jazz guitar. Editor, Bob Bakert