Advanced free dance steps are free to play, of course there are many specific keys, if you want to get a high score, you can go online to check some specific dance steps keys.
L8 gets the first 4K24466628 for a cartwheel start, then picks up the following:
L8.82471291 96833636 16364361 67371466 87717686 46161718 27819218 88121172 37273444 78961742 33364494 79283366 63936366 63918436 694 617 7121 6699 6227 1918 2671 2723 4431?
L9. 16766 479672 677 9488 9684 7421 1116 1119 2323 7777 3211 3234 4887 7813 2329 1716
L10:7897612231 1896227373 2793233922 ?7977646776 ?9918621839 9274633181 1623169819 1366392774 4141346797 4238937671 1479263237 7877381423?
L11:82794871273 89889832791 62838499973 93422833633 28418631319 19672134429 6891361878968 13443818479 ? 36884332739 78899699988?
The above dance steps were put together by myself when I came out of advanced free mode. It still feels like a high score, 8 and 9 are more common, 10 step 11 are all small floor moves and full spins, try it.