Bbmaj7
B flat major seventh
Bbmaj7: index finger on the A string, 1st fret, ring finger on the D string, 3rd fret, middle finger on the G string, 2nd fret, little finger on the B string, 3rd fret, index finger on the e string, 1st fret, don’t strum: E
Hold the chord and tap “Check me!”.