Bluesy: the 12-bar blues

The 12-bar blues: twelve bars of three chords that come round again and again.

Chords: G7, C7, G7, C7, G7, D7, C7, G7, D7

Questions

What chords are in the Bluesy chord loop?

In G it is G7, C7, G7, G7, C7, C7, G7, G7, D7, C7, G7, D7: I7-IV7-I7-I7-IV7-IV7-I7-I7-V7-IV7-I7-V7 in roman numerals. In any other key the numerals stay the same and the chords move with them.

How do you play it on piano?

The left hand plays the root of each chord and the right hand holds the chord, one chord a bar. In another key the chords move with it.

Which songs use the Bluesy loop?

Jolene by Dolly Parton, Can't Help Falling In Love by Elvis Presley and The Man Who Sold The World by Nirvana use the Bluesy loop. The songs on this page all are played in the blues style, the most played first.