Andrew Osborn is an award-winning, bluegrass upright bass player, vocalist, sousaphonist, and trombonist from San Rafael, California. At the age of 4, Andrew began his musical education on the fiddle. As a small child, Andrew was exposed to bluegrass through his father’s fiddle playing and through bluegrass festivals. At the age of 9, Andrew started playing the trombone. At age 11, he started playing upright bass after falling in love with the instrument at a local Bluegrass festival.

As part of Crying Uncle Bluegrass Band, Andrew has performed as a main act at many large bluegrass festivals around the world, and has performed at the Grand Ole Opry. Andrew also is an awards winning lemons race car driver and builder, with his team Fanchero winning the Judge’s Choice award at the 2025 Smells Like AMC Spirit Race. While many of his accolades come from the bluegrass world, Andrew is a competent jazz and classical musician, having years of school and extracurricular experience in both large and small group ensembles. He has also created and performed with local musical acts during his time in college.

Andrew graduated Cal Poly SLO with a bachelor’s degree in Mechanical Engineering in June 2025. When he has extra time, Andrew likes machining model steam engines. He is a Fishman sponsored artist.

Bass Workshop: Intermediate – Advanced

Course Description: Dive deeper into the art of playing bass in a bluegrass setting! This workshop focuses on refining your technique, enhancing your rhythm and timing, and exploring the essential role of the bass in driving the energy of a bluegrass ensemble. You’ll work on advanced fundamentals such as walking bass lines, dynamic phrasing, and improvisation, while learning how to lock in with the band and elevate the overall sound. Whether you’re looking to strengthen your foundational skills or take your playing to the next level, this session is perfect for experienced bassists ready to grow.

You’ll cover topics including…

• Technique
• Rhythm
• Intonation & Projection
• Backup Styles
• And a variety of popular songs!

What to bring: 

• Instrument + Bow
• Rosen
• Tuner
• Extra strings
• Music Stand