Resource
Free learning resource:
https://www.studybass.com/
notes:
bass chord is hard to hear clearly, so sequence of note play is used
rhythm: (节奏) timing of notes
harmony:(和声) several notes played together
chords: group of notes at the same time
chord progression: sequence of chord
scale: set of notes; major, minor, …
key: a scale around a key
melody: (旋律)