hi this is santy for particular song to find out chords i know that 1st we have to find out the scale in which song is lying i know that in particular scale having 1221 (major minor funda) i know the triad funda through that chords are formed. but.... i found that for particular song suppose for G chord triad is G B D but particular song notation i found i there are only"D" note is there then also he took G chord. how with single or two notes they r deciding chords. please do my fude clear