Allen received his first electric guitar at the age of sixteen, and was inspired to play it by listening to Jimi Hendrix.
In 2000, Allen played rhythm guitar on the independently produced album Grown Men.
In 2013, he had a major label release on Sony's Legacy Recordings; Everywhere at Once by Paul Allen and the Underthinkers.
PopMatters.com described Everywhere at Once as "a quality release of blues-rock that's enjoyable from start to finish".

On February 7, 2018, an interview with Quincy Jones was released by the magazine New York on their Vulture website.
In this interview, Jones said that he had extreme respect for Eric Clapton, his band Cream, and Allen.
Referencing Allen's Hendrix-like play, the article mentioned a jam session on a yacht with Stevie Wonder.
Allen received his first electric guitar at the age of sixteen, and was inspired to play it by listening to Jimi Hendrix. In 2000, Allen played rhythm guitar on the independently produced album Grown Men. In 2013, he had a major label release on Sony's Legacy Recordings; Everywhere at Once by Paul Allen and the Underthinkers. PopMatters.com described Everywhere at Once as "a quality release of blues-rock that's enjoyable from start to finish".
On February 7, 2018, an interview with Quincy Jones was released by the magazine New York on their Vulture website. In this interview, Jones said that he had extreme respect for Eric Clapton, his band Cream, and Allen. Referencing Allen's Hendrix-like play, the article mentioned a jam session on a yacht with Stevie Wonder.
Paul Allen