What notes are in the Bb7 chord?

Bb7 is made of Bb, D, F and Ab: the root, major 3rd, perfect 5th and minor 7th above Bb.

What is the easiest way to play Bb7?

Play x10131 (low E to high E): mute the low E string, let the D string ring open.

Bb7 chord on guitar

Bb7 is a dominant seventh chord: bluesy and restless, wanting to move. It is built from Bb, D, F and Ab (formula 1 3 5 ♭7). Dominant sevenths drive the blues and usually resolve up a fourth, to the chord whose root is five frets higher on the same string. The easiest way to play it in standard tuning is x10131.

x 1 0 1 3 1

6 5 3 3 3 4

6 8 6 7 6 6

x x 8 7 9 10

x x 8 10 9 10

Bb7 fingerings (low E to high E)

Open position: x10131. Mute the low E string, let the D string ring open.
Fret 3: 653334. Barre fret 3 from the D to the B string.
Barre at fret 6: 686766. Barre fret 6 from the low E to the high E string.
Fret 7: x-x-8-7-9-10. Mute the low E and A strings.
Fret 8: x-x-8-10-9-10. Mute the low E and A strings.

Questions

What notes are in the Bb7 chord?: Bb7 is made of Bb, D, F and Ab: the root, major 3rd, perfect 5th and minor 7th above Bb.
What is the easiest way to play Bb7?: Play x10131 (low E to high E): mute the low E string, let the D string ring open.
Which keys is Bb7 in?: Bb7 belongs to Eb major (V7).

Also try: Bb Major · Bb Minor · Bbmaj7 · Bbm7 · Eb Major · Chord Charts