Is "My Songs Know What You Did In The Dark" easy to play on piano?

Yes! Our simplified version is designed for beginners. The song is in the key of G at 150 BPM, and you can start playing along in minutes using our interactive Lead Sheet.

What key is "My Songs Know What You Did In The Dark" in?

"My Songs Know What You Did In The Dark" by Fall Out Boy is in the key of G. Our simplified arrangement makes it accessible with color-coded notes and interactive playback.

Learn "MY SONGS KNOW WHAT YOU DID IN THE DARK" by Fall Out Boy on Piano

Master "MY SONGS KNOW WHAT YOU DID IN THE DARK" by Fall Out Boy with our interactive piano player. This easy-level Pop arrangement is in the key of G at 150 BPM, making it perfect for beginners — you can start playing in minutes.

Tip: Start at 50% speed to get comfortable with the fingering, then work your way up to full tempo. Most beginners can play through the full song in one session.

Lyrics

Oh, oh. Oh, oh. B b be (D5)care ful mak ing wish es in the dark Some dark. an (Bb5)Can’t be sure ty when they’ve hit their mark. I And be (D5)sides, in the mean row, mean I time, you could I’m see that just the (Bb5)dream in’ of to tear in’ you a part. for me. I’m in the (D5)de tion de tails with the dev il and all the (Bb5)world can nev er get me on my lev el. I just (D5)got ta get you out the cage. col I’m a young lov er’s rage. (Bb5)Gon na need a spark ster to ig nite. My songs (D5)know what you did in the dark. (CN.C.)So light ’em (D5)up up up. Light ’em (Bb5)up up up. Light ’em (F5)up up up. I’m on fi (C5)re. So light ’em (D5)up up up. Light ’em (Bb5)up up up. Light ’em (F5)up up up. I’m on fi (C5)re. (D5)Oh, oh, in the dark dark. (D5)Oh, oh, in the dark dark. (D5)Writ ers keep ing writ in’ what they write. Some where an (Bb5)oth er pret ty vein they’ve just their dies. I got the (D5)scars from to mor row, and I wish you could I’m see that you’re the (Bb5)an ti dote to ev ’ry thing ex cept for me. A con stel (D5)la tion of tears on your lash il and es burn (Bb5)ev ’ry thing you love, then burn the ash el. es. just (D5)In the end you ev ’ry thing col lides. a My child er’s hood (Bb5)spat back out the mon ster that you see. My songs (D5)know what you did in the dark. (CN.C.)So light ’em (D5)up up up. Light ’em (Bb5)up up up. Light ’em (F5)up up up. I’m on fi (C5)re. So light ’em (D5)up up up. Light ’em (Bb5)up up up. Light ’em (F5)up up up. I’m on fi (C5)re. (D5)Oh, oh, in the dark dark. (D5)Oh, oh, in the dark dark. My songs know what you did in the dark. My songs know what you did in the dark. So light ’em (CN.C.)Oh, oh.

Song Details

Category: Pop
Key: G
Tempo: 150 BPM
Difficulty: easy
Artist: Fall Out Boy

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How to Play "My Songs Know What You Did In The Dark" on Piano

1
Pick a practice mode — Choose from Fall Down, Beginner, Lead Sheet, Bar Sheet, or Simple Sheet — each mode visualizes the music differently to match your learning style.
2
Practice each hand separately — Use the Left, Right, and Both buttons to isolate the bass or treble part and build muscle memory one hand at a time.
3
Adjust speed and turn on metronome — Slow down to 50% while learning, then gradually speed up. Enable the metronome to keep steady timing.
4
Loop a section — Select a tricky part and loop it until you nail it. Perfect for mastering difficult passages.
5
Download sheet music — Export a PDF of the sheet music to print out and practice on your real piano anytime, anywhere.