Callaghan played in many collectives and groups as a teenager growing up in Sligo, and with his brother Dominic formed his first real band, called "Petronella", in around 1998.
Callaghan played in many collectives and groups as a teenager. This teenager was growing up in Sligo. Dominic formed his first real band in around 1998. This was with his brother. His first real band was called "Petronella".