Byeong-jun Han Eenjun Hwang Seungmin Rho Minkoo Kim M-MUSICS: mobile content-based music retrieval system. 469-470 2007 conf/mm/2007 ACM Multimedia http://doi.acm.org/10.1145/1291233.1291345 db/conf/mm/mm2007.html#HanHRK07