Declan Sinnott Declan Sinnott Cork Declan Sinnott has been making music for fifty years. A founding member of Horslips and Moving Hearts, he also guided the career of Mary Black for thirteen years. More recently he has been Christy Moore right-hand man and producer. Declan released his first solo album in 2012. 'Window on the World' is his second, a stronger, leaner, more confident record, the songs very much centre stage. It was made for repeated listens, enjoy.