Macalla is a 1985 musical album by Irish folk group Clannad. It is their ninth album and became prominent with a collaboration between Clannad's singer Moya Brennan and U2 vocalist Bono on the duet "In a Lifetime". Furthermore, it featured some internationally renowned artists such as art rock saxophone player Mel Collins, an ex-King Crimson member and famous for his solo on The Rolling Stones' "Miss You", and Anton Corbijn's photography. An alternate version of the album's first track, "Caisleán Óir", was used throughout the third Robin of Sherwood series.