Kevin Hertlein is a recent graduate of the University of Maryland where he received a DMA in bass trombone performance. He earned a B.M. from Mars Hill College in 2009 and a M.M. from Colorado State University in 2016. Prior to attending the University of Maryland, Kevin played in the Parris Island Marine Band and Quantico Marine Band from 2010 until 2018. His teachers include Dr. James Sparrow, Karl Johnson and Matthew Guilford. He currently teaches at the Community College of Baltimore College in Essex, Maryland.

Oliver Crossland currently studies at the University of Maryland, Baltimore County, where he plans to finish his bachelor's degree in music performance on the bass trombone. His teachers include Dr. Patrick Crossland and Bill Monroe. Oliver is able to teach trombone, along with beginner baritone/euphonium, guitar, and bass guitar.