With Comp Cape changes and Reaper removed, the music tracks were left behind. Jagex intentions were that players could enter into Bosses such as Solak etc.. to unlock these tracks. I was able to solo into an encounter to complete with Death Exits on all except Yaka. I had to enter Durzag first, (got that track), died, then thought I had to wait 48 hrs. I was wrong, after the 2 days went back and the lock is still there. A kill must be made on Durzag to allow entrance into Yaka. So by a consequence, the music tracks are still not obtainable without a clean kill on Durzag. I will find a mob/group, etc. to get into. But it appeared the intention of Jagex was to allow the tracks to be cleared and this feature was forgotten. If so, I hope this helps.
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