Bill Monroe - Uncle Pen (1950) "Uncle Pen," released in 1950 by Bill Monroe, the Father of Bluegrass, is a tribute to Monroe's uncle, Pendleton Vandiver, a significant influence in Monroe's musical life. Born in Rosine, Kentucky, Monroe was deeply rooted in the region's musical traditions, thanks to Uncle Pen's mentorship. The song reflects the lively dances and joyous gatherings where Uncle Pen's fiddle was the centerpiece, playing tunes like "Boston Boy" and "Soldier's Joy" until dawn. Musical