These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/MP3-Info-1.260.0-r1::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 134 KiB
[ebuild  N     ] dev-perl/MP3-Tag-1.160.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 318 KiB

Total: 2 packages (2 new), Size of downloads: 451 KiB