in reply to Hash pointing to multiple items

You want perllol perlref. Your syntax is (close to )correct, just use code tags (preview is your friend ;) ) 
 # this is assuming that "ArtistSong1" is a string

 $Hash{ArtistSong1} = [ 1, 3, 5]

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Update: Added code comment
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"But what of all those sweet words you spoke in private?"
"Oh that's just what we call pillow talk, baby, that's all."

In Section Seekers of Perl Wisdom