There are two artists using the name Sisa:
Jaume Sisa (Barcelona, 1948) is a Catalan artist, composer and songwriter, who defines himself as "galàctic". His most famous song "Qualsevol nit pot sortir el sol" (from the album with the same name) was published in 1975. He has had a long career with a very personal and unconventional style, including using different artistic names. Discography:
Sisa* 1968- L'Home Dibuixat * 1969- Miniatura (with Pau Riba, Cachas & Albert Batiste)
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