The BrainzPlayer progress bar moves forward in steps. It does this every half second or so. This makes it look like the playback is not very smooth. It is not like media players that you are used to.

The BrainzPlayer progress bar also does not have a handle that you can click and drag. This means you cannot easily move to a part of a song. You have to wait for the BrainzPlayer progress bar to get to that part on its own. The BrainzPlayer progress bar is just not very good at letting you control where you are, in a song.

Current Behaviour:

The progress bar advances in discrete increments (~0.5–1s intervals) rather than as a continuous animation, giving playback a stepped appearance.
There is no draggable handle on the progress bar, so users cannot seek to a specific position in the track.

Expected Behaviour:

Progress bar animates continuously using CSS transitions or requestAnimationFrame.
A draggable handle allows users to seek to any point in the track by clicking or dragging.

Notes:

Observed on the BrainzPlayer bottom bar during active playback.
Standard behaviour in players like Spotify and Apple Music for reference.