Minor 2nd - Fur Elise (First two notes) smallest space in between two notes. (Half Step) Semi-Tone
Major 2nd - Happy Birthday or eastenders
2nd to 3rd note
Minor 3rd - Hey Jude
Major 3rd - Doh a deer (1st to 3rd)
Perfect 4th - Harry Potter theme tune (1st to 2nd note), goes up in 4 notes up on stave
