Hover over the below to reveal the DO
DO - Tonic
DI / RA - Minor 2nd
RE - 2nd
RI / ME - Minor 3rd
MI - Major 3rd
FA - Perfect 4th
FI / SE - Diminished 5th
SO - Perfect 5th
SI /LE - Minor 6th
LA - Major 6th
LI / TE - Minor 7th
TI - Major 7th
DO - Octave