Ok, this is what I think should be added
Carousel HT 8 track - Contains static/distortion, Very similar mix to HT 7 track version but not sure it's same, Different vocal take (Chester, not sure about Mike) than in original HT EP version
Carousel HT 9 track - Different vocal take (Chester, not sure about Mike) than in HT EP, different mix
Carousel HT 7 track - Different vocal take (Chester, not sure about Mike) than in HT EP, different mix
Part Of Me HT 8 track - Second half of the verse is double rapping (2 mike voices rapping), Contains "Cut myself free" scream in pre-chorus/chorus interlude, "Freedom can be frightening, if you never felt it" is whispered, Different vocal take both Chester and Mike, The second part of the bridge is different vocally and progresses differently (instrumentally) into chorus, Different last chorus, Different mix, Contains distortion/static
Part Of Me HT 9 track - Contains "Cut myself free" scream in pre-chorus/chorus interlude, Different vocal take both Chester and Mike, Different vocal take of Mike than in HT 8 & 7 track version, The second part of the bridge is different vocally and progresses differently (instrumentally) into chorus, Doesn't contain Mikes vocals in the first part of the bridge, Different last chorus, Different mix
Part Of Me HT 7 track - Second half of the verse is double rapping (2 mike voices rapping), Contains "Cut myself free" scream in pre-chorus/chorus interlude, "Freedom can be frightening, if you never felt it" is whispered, Different vocal take both Chester and Mike, The second part of the bridge is different vocally and progresses differently (instrumentally) into chorus, Different last chorus, Very similar mix to HT 8 track version but not sure it is same
I will add more later