My Songs Know What You Did in the Dark (Light Em Up) original guitar chords by 
Fall Out Boy 
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Frequently asked questions
The original key of My Songs Know What You Did in the Dark (Light Em Up) by Fall Out Boy is D minor.
The primary chords used in My Songs Know What You Did in the Dark (Light Em Up) are Dm, Bb, Dsus4, F, C.
To play in the original key, place your capo on the 5 fret.
Yes, this version uses open chords like Dm, Bb, Dsus4, F, making it a great song for beginner guitarists.
If the simplified chords are too easy, you can visit the original chords page for a more advanced arrangement.
The tempo of My Songs Know What You Did in the Dark (Light Em Up) is approximately 76 beats per minute.
You can easily change the key of My Songs Know What You Did in the Dark (Light Em Up) using our Transpose button located in the toolbar. This will automatically update all chord diagrams on the page to match your new key.
Yes! Click the Print icon to generate a clean, one-page version of the chords and lyrics for My Songs Know What You Did in the Dark (Light Em Up). This is perfect for practicing offline or adding to a physical songbook.
Yes, we have integrated a Mini-Tuner directly on this page. Use it to quickly check your string pitch (Standard Tuning: E A D G B E) before you start playing along with Fall Out Boy.
Absolutely. Click the Save or Heart icon to add My Songs Know What You Did in the Dark (Light Em Up) to your account. You can access all your saved songs under My Library at any time.
You can view the full chord sheet and lyrics for My Songs Know What You Did in the Dark (Light Em Up) by Fall Out Boy on this page for free. We provide high-quality, verified chords to help you start playing immediately.