Live At Teatro Arena Ribeirao Preto 8 August 1978 Artist: Os Mutantes Format: Vinyl New: Not in stock $25.98 Unavailable Wish Formats and Editions More Info: Double vinyl LP pressing. Sérgio Dias, the only remaining original member, led the band until it's dissolution in 1978. During this time, they released one more studio album, a live album and an EP. Here's a brilliant performance of the band just before they disbanded, embracing a more solid prog-rock vibe.