There are 3 types of musical instruments.
Harmonium, Piano etc are Keypad/Button type instruments
Tabla, Drum, Dholok etc are Palm Instrument/Rhythmic type instruments
Guitar, Ukelele, Violin etc are String Type Instruments
But there have a common side, that is note. A B C D E F G or sa re ga ma pa dha ni or do re mi fa so la ti.
