Rhythm - Pattern of long and short notes - makes the music interesting

Chords - Multiple notes played at the same time - every song is built on chords

Beats - Beats count the pulse and tell us how long to play the chords for

Pulse - Steady pulse that stays the same - helps us to stay in time

Major - Sounds happy

Minor - Sounds sad

Hook - A short phrase that is catchy and memorable

Riff - A short phrase that is repeated