I believe this is normal, seeking isn't supported with Spotify.
Strawberry mainly has one developer me, so it's not possible for me to reply to everything, there are too many issues to reply to.

Sounds good. I hate having to turn to VLC or other players to get features like this. I also see this (musical lyrics in .lrc) as the camel's nose in the tent for podcast transcripts in .vtt. Whether it is music (lyrics) or podcasts (transcripts), text is very important for the hard of hearing and for people like me, with excellent hearing for music but not-so-excellent listening for words in other languages. I am sure that my neighbors through the wall would like if I did not have to occasionally scrub back over the same five-second passage ten times.

I have the same problem. It can show up randomly but if I choose next in the playlist it will happen then. If I double-click the selected song it will resume. I use ALSA and have used both HW and PCM with no change between them.

I use Linux Mint Mate.

@silver-sun I've adjusted the headset volume and its helped. But the volume slider is directly connected to the application volume control so adjusting it on there adjusts the volume slider and vice versa. There is no other point on the chain besides those two. (I'm using pipewire for context)

Look for Menu -> Tools -> Settings... -> Playlist -> Use alternating row colors

@Sharky-PI this would be incredibly useful.

I'm pretty sure that Strawberry sorts by metadata. A song needs a track number, independent of the file name. The suggestion of renaming files numerically is a good idea. Organizing your album folders alphabetically, by song name, runs counter to the way albums are presented -- which is numerically, by track number.

Right click on a song and select "Edit track information". There should be a number in the "Track" field at the right. Don't change anything yet, until you figure out the root of your problem, but if there is no number, that might be of concern.

Hope that helps.