(Strum It (Guitar)). Strum the chords and sing along with your favorite Clapton songs This Strum It songbook features authentic chords, strum patterns, melody and lyrics for 20 complete songs in their original keys. Includes: Bad Love * Badge * Change the World * Cocaine * For Your Love * Hello Old Friend * I Shot the Sheriff * Knockin' on Heaven's Door * Layla * My Father's Eyes * Tears in Heaven * White Room * Wonderful Tonight * more