Related is Kevin MacLeod [1]'s music [2], who you've almost -certainly- heard before. He has thousands of royalty-free CC music and has become deeply entrenched in (at least my perception of) early 2010s internet BGM.
Imagine my surprise when I saw Incompetech credited in every episode of Last Podcast on the Left. I credited them in a short film about 7 years ago and it was surreal seeing it pop up again.