Artist grade harmonium made with superior wood musical reeds carrying forward only handful produced beautiful designer dark brown harmonium - checked at dispatch set of 3 high quality Indian palitana reeds: 1 male + 1 male + 1 female = rich sound 9 scale changer 3¾ octaves, total 37 keys coupler function - for even richer sound instant response keyboard - no lag time multi-fold bellows for easy pumping & consistent sustain air leaks are checked for longer sustain portable folding box type full wooden top cover special finish wooden/jaali on keys tested before shipping: sound, keys, tuning, sustain, finish etc.