Johnny Towey.

Johnny is from Kilkelly in Co. Mayo in the West of Ireland and mainly plays accordian in the band but also does backing vocals and has been known to play the whistle and guitar. Born in England where he learned to play music, moved to Ireland when he was thirteen.

Treasa Lavin.

The only female in the group, Treasa has a rich background in music. Started playing the tinwhistle when she was four and then progressed to flute, fiddle and classical piano. Taught mostly by her late grandfather Philip Lavin from Lisadrone, Mayo (a well respected flute player).

Daragh O' Reilly.

Singer / Guitarist and frontman for Osna. Daragh also plays banjo, mandolin and bouzouki. The handmade guitar he plays and also his bouzouki was made for him by Joe Foley.

Padraic Lavin.

The Uilleann Piper in Osna. Padraic also plays whistle, flute and guitar. Also the main writer in the group.