"Halelujah" by K-OS the Chords used repeatedly are Bb and Dm So it would go something like this 4/4 Time /=1 beat Bb Dm Bb Dm //// //// //// //// Bb:[1 1 3 3 3 1] Dm:[x 0 0 2 3 1] If you want to solo over the song use the Am Penatonic or the Bb Major Scales. Bb Major Scale (7th Position) |-|1|1|1|-|1| <-7th Fret Root>|2|2|-|-|2|2| |-|-|3|3|-|-| |4|4|4|4|4|4| Am Penatonic Scale (5th Position) Root>|1|1|1|1|1|1| |-|-|-|-|-|-| |-|3|3|3|-|-| |4|-|-|-|4|4|