Sigma – S.O.S. (Abba Cover) Jul 4, 2015 Cover, Cover ABBA, Cover Pop, Cover Rock, Cover S.O.S., Gold, Gold - Greatest Hits, Like 0 Thanks! You've already liked this « Sos Continentales : Sentimentu (Cover Tazenda) » Silenzium – S.O.S. (Stratovarius cover, instrumental)