The bandmembers are:
Sandra Koslosky (22) – vocals, fiddle, guitar
Victoria Koslosky (17) – vocals (lead vocalist on “Everything’s Better at the Beach”), fiddle, ukulele
Emily Olszewski (20) – vocals, fiddle
Becca Olszewski (18) – vocals, sax
Matthew Olszewski (17) – trumpet
Phillip Olszewski (15) – vocals, trumpet
Stush Stetar (15) – drums
Randy Koslosky (young at heart – calendar age not disclosed) – vocals, accordion/bass