2025 Mandolin/Vocals: Greg Eppard (Elkton, VA)
2023 Mandolin/Acoustic Guitar/Vocals: Johnny Calamari (Hagerstown, MD)
2017 Telecaster Guitar/Vocals: Nicholas Mudd (Los Angeles)
2017 Acoustic Guitar/Vocals: Rolling Stock (Los Angeles)
2016 Acoustic Guitar/Vocals: Foul Tip Collective (Prague)
2015 Acoustic Guitar/Vocals: Two Strikes (Transatlantic)
2011 Acoustic Guitar/Vocals: Southern Wheel (Prague)
2006 Mandolin/Vocals: Giant Mountains Band (Prague)