Optimize lyrics search: sequential search is very slow when no lyrics are found

[skuill]

Test results:

1. Not exist Artist and not exist Song:
   Musixmatch's request executed ~10 second:
   

2. Exists Artist and not exist Song:
   Musixmatch's request executed ~14 second:

Expected Behavior:

Search for every provider should be executed in ~1-2 seconds.

Actual Behavior:

Search for Musixmatch provider estimates ~10-15 seconds.