
Opus 4 is an acapella quartet representing the Mid Atlantic District, and the Bucks County and Lansdale Chapters.
Patrick Casey (Tenor), Mike Challman (Lead), Tim Grell (Bari) & Andrew Gensey Jr (Bass)
Opus 4 is an acapella quartet representing the Mid Atlantic District, and the Bucks County and Lansdale Chapters.
Patrick Casey (Tenor), Mike Challman (Lead), Tim Grell (Bari) & Andrew Gensey Jr (Bass)