I have no patience for 30 day memes, but here's a bunch of songs, presented with occasional commentary.
Day 01 - Your favorite song (I actually prefer the studio version, but it's not on YouTube)
Day 02 - Your least favorite songDay 03 - A song that makes you happyDay 04 - A song that makes you sadDay 05 - A song that reminds you of someone (my sister)
Day 06 - A song that reminds of you of somewhere (my computer room, oddly enough)
Day 07 - A song that reminds you of a certain eventDay 08 - A song that you know all the words toDay 09 - A song that you can dance toDay 10 - A song that makes you fall asleepDay 11 - A song from your favorite bandDay 12 - A song from a band you hateDay 13 - A song that is a guilty pleasureDay 14 - A song that no one would expect you to love (I have no clue what I, personally, am expected to enjoy, so I went with something that I'm statistically not expected to enjoy)
Day 15 - A song that describes youDay 16 - A song that you used to love but now hateDay 17 - A song that you hear often on the radio (back when I still listened to the radio, at least)
Day 18 - A song that you wish you heard on the radioDay 19 - A song from your favorite album (I actually have a few different favourite albums, but the others are already represented on this list, so yeah)
Day 20 - A song that you listen to when you’re angryDay 21 - A song that you listen to when you’re happyDay 22 - A song that you listen to when you’re sadDay 23 - A song that you want to play at your weddingDay 24 - A song that you want to play at your funeral Day 25 - A song that makes you laughDay 26 - A song that you can play on an instrument Day 27 - A song that you wish you could playDay 28 - A song that makes you feel guilty (none come to mind, I might edit this later if I think of one)
Day 29 - A song from your childhoodDay 30 - Your favorite song at this time last year (my favourite song this time last year was Gethsemane, so I went with the song that was my favourite before that)