Clannad's "Macalla" is a 1985 album that showcases their folk rock sound. With tracks like "In A Lifetime" featuring guest vocals by Bono, and the enchanting "Caislean Õir" and "Buachaill On Eirne," the album combines traditional Irish elements with a rock sensibility. "Macalla" represents Clannad's continued musical evolution and their ability to create captivating and atmospheric compositions.