Alex Machacek has been played on NTS in shows including The Do!! You!!! Breakfast Show w/ Charlie Bones, featured first on 6 June 2014. Songs played include Song For An Unknown Friend.

Jazz guitarist and composer Alex Machacek was born in Tulln an der Donau, Austria, in 1972. He began studying classical guitar at the age of eight, eventually moving on to study jazz guitar at the Conservatory of Vienna, and also attended the Berklee College of Music in Boston, MA. Machacek's biggest early influence was guitarist Joe Pass, and he was also drawn to the work of Allan Holdsworth and the compositional approach of Frank Zappa. Machacek released his first album, Featuring Ourselves, in 1999. That same year he began working with drummer Terry Bozzio and reed player Gerald Preinfalk as part of the trio BPM. The album Delete and Roll appeared in 2001. In 2004 Machacek moved to Los Angeles. Two years later he released [Sic] on Abstract Logix.