C Instrument - Level 2 - Digital Download SKU: A0.1310213 By Linkin Park. By Brad Delson, Chester Bennington, Dave Farrell, Joe Hahn, Mike Shinoda, and Rob Bourdon. Arranged by Arr. Ed.CAL. Pop,Rock. Lead Sheet / Fake Book. 1 pages. Ed.CAL #899351. Published by Ed.CAL (A0.1310213). What I've Done by Linkin Park in Gm (Original Key)Lead sheet with lyrics & chords.Can be used for multiple instruments including Piano, Keyboard, Violin, Flute etc.