Listen to the sound clip 6. 1:15 from Happy Lesson ハッピーレッスン - Video Game Music: 6. 1:15 6. 1:15 This sound is from Happy Lesson ハッピーレッスン - Video Game Music Video game music from Happy Lesson ハッピーレッスン for Dreamcast. Published by DATAM POLYSTAR CO. (2001). Go to the full soundboardwith more sound clips Search