This is the piano theme from the soundtrack for the movie "Halloween" by John Carpenter. The director/co-writer is also the composer of a great soundtrack for this great film.
Halloween Theme Piano Cover - Sheet music
Great piano playing by pianolion! He offers free sheet music to the song here.
What's happening in this song that produces this eery sound? Probably Augmented chords.
F#F#/ C#, F#, F#, C#, F#, F#, C#, F#, D, F#...
Here's a selection of sites that offer special songs for this holiday.
Halloween Songs for Beginners
Halloween Sheet Music for Spooky Songs
Free Halloween Piano Music
Free Virtual Sheet Music
Free Sheet Music-Yoke Wong
Have a fun and safe Halloween!
"The beautiful thing about learning is that no one can take it away from you." B.B.King