The Yonder Mountain String Band (abbreviated YMSB and referred to by some as just "Yonder") is an American progressive bluegrass group from Nederland, Colorado. Composed of Dave Johnston, Ben Kaufmann, Adam Aijala, Allie Kral, and Jacob Joliff the band has released five studio albums and several live recordings to date. Founding member and mandolinist Jeff Austin left the band in 2014 due to creative differences and conflicting career goals.