Complex sentence: Ricardo Arjona started the new decade as a known singer, and then he released in 1991, through Sony Music, his third studio album, "Del Otro Lado del Sol", which still stands as one of the least successful out of the Guatemalan singer.
Split into simpler sentences: Ricardo Arjona started the new decade as a known singer, and then he released in 1991, through Sony Music, his third studio album, "Del Otro Lado del Sol". His third album still stands as one of the least successful out of the Guatemalan singer.