hei...i already c0mplt 0pen and barr ch0rds. but c0uld n0t play barr ch0rds with any s0ng. c0s if the relati0n was F#m- G-C#-D thn h0w string did i play? E or A which r00t i play F#m or G or C# or D ch0rds. and h0w sh0uld i understand ab0ut that. plssssss helppppp.....