If you don't really care for GT spoilers all that much, here's a playlist containing all secret tracks too
73
May 19, 24 May 19, 24 60
Jul 30, 24 Jul 30, 24 58
Aug 27, 24 Aug 27, 24 28
Sep 13, 24 Sep 13, 24 55
Sep 30, 24 Sep 30, 24 41
Mar 26, 25 Mar 26, 25 3
Apr 16, 26 Apr 16, 26 
the earworm is too strong... ITS MUSICAL DOODLE ALL OVER AGAIN! SAVE ME
this is cool
the fact I know all of these songs is. interesting