In musical terms | Doesn’t mean this | But means this |
Piece | | It’s a song |
Playing by ear |  | Playing tunes without the help of written notes |
Notes |  | 12 different prominent frequencies which repeat in a certain progression |
Key |  | A note on which the song is composed, a central note or a root note |
Pitch |  | A range of prominent frequencies around a root note |
Bass | Misspelled by many as Baaas! But it is more like base | Notes of Low frequencies |
Treble | Misspelled by many as trouble! | Notes of Mid and high frequencies |
Time Signature |  | The rule of a prominent beat which starts or ends after a fixed number of beats of a particular duration. |
Bar |  | Depending on the time signature, will hold a certain number of beats |
Rock, Pop, Blues, Jazz |    | Genres, Different styles of producing music |
Monitor |  | Usually, an audio speaker for reference |
To be continued… | To be continued… | To be continued… |