Izvornik: 267. Ear Training Drills: Scales by Ralph Lorenz Educational, Other, no specific instruments (e.g. worksheet), 1 minute, .
Prijevod: 267. Uho trening Pneumatske bušilice: Vage Ralph Lorenz obrazovanje, drugog, nema specifičnih instrumenata (npr. list), 1 minuta,. ...