From Japanese-English FreeDict Dictionary ver. 0.1: ラ /ɽˈä/ (noun (common) (futsuumeishi)) la, 6th note in the tonic solfa representation of the diatonic scale
ラ /ɽˈä/ (noun (common) (futsuumeishi)) la, 6th note in the tonic solfa representation of the diatonic scale