Guillermo Misa III, nicknamed "G3" is a Filipino singer/songwriter and recording artist based in Los Angeles. He is also the lead guitarist of the band Introvoys.He is known for the song "Habangbuhay", his carrier single from his 2014 solo album "Never Look Back". The music video for "Habangbuhay" features singer/actress Geneva Cruz as his leading lady. G3 comes from a family of musicians. Jim Paredes of APO Hiking Society is his uncle.