Theory

http://www.musictheory.net/

http://musicalintervalstutor.com/
Minor 2nd: (Half Step), smallest step, sounds like Jaws.
Major 2nd: (Whole Step), sounds like Happy Birthday.
Minor 3rd: sounds like Smoke On The Water.
Major 3rd: sounds like Swing Low Sweet Chariot.
Perfect 4th: sounds like Amazing Grace, Harry Potter, Here Comes The Bride.
Augmented 4th: sounds like The Simpsons.
Perfect 5th: sounds like Twinkle Twinkle Little Star
Minor 6th: sounds like The Entertainer
Major 6th: sounds like My Body Lies Over The


Four beat notes: Semibreve
Two beat note: Minim
One beat note: Crotchet
Half beat note: Quaver
Eight beat note: semiquaver
Sixteenth note: Demisemiquaver
HEMIDEMISEMIQUAVER