Post the longest song you've heard before, I love longer songs because it satisfies me. I had when a song is like 2 minutes so once I'm getting into it, BAM it's over
And don't post songs that are long just because, I mean good songs so when I listen to it I'll check out more of the artist's discography.
One of my favorite songs from Kate Bush, about 41 minutes long
The actual longest song I've heard was for the first time today. Swans' "The Seer", 32 minutes long; but I'll post some runner-ups you might like more: