Question: Samfree is a Japanese music producer that using what software to produce his music?
Sentence (from "Vocaloid"): Its signal processing part was developed through a joint research project led by Kenmochi Hideki at the Pompeu Fabra University in Barcelona, Spain, in 2000 (the same team that later founded Voctro Labs) and originally was not intended to be a full commercial project.
Relevant evidence: No