u can change it in the info tab... in the collection tab u select the sorting order by key and for ex u select all the track with "A" key in the info tab (whitch is placed on the right bottom side of rekordbox) and change the key info to "11B" and so on ...sorry 4 my english :D see if this help https://forums.pioneerdj.com/hc/en-us/community/posts/203070989-Key-Analysis-Rekordbox-Mixed-In-Key https://forums.pioneerdj.com/hc/en-us/community/posts/203055119--SOLVED-Rekordbox-2-0-1-Key-Analysis-vs-Mixed-In-Key