Skyblock.bedcraft.eu
faq:

Q:What is this modpack?
A: Infinity evolved skyblock expert mode.

Q:How do i play this pack?
A=you need the ftb client : https://www.feed-the-beast.com
Then choose infinity evolved skyblock (expert mode)

Q:The music sucks, please put other music in next timelaps:
A:ok
How long did this take me ?
510 hours
music:
deep space - Audionautix
Firebrand- Kevin MacLeod