Bassline

Generally, basslines follow the chord progression

In Practical Terms

Generally, basslines play the root note of each chord on chord changes.

Example for chord progression:



A simple bassline could be:



Add more notes to the line for more interest.

More Info

Basslines are generally an octave or more lower than all other instruments and are single note lines (multiple simultaneous bass notes / elements in bass frequency zone can easily sound unclear).