This barre chord can come in handy when you least expect it. It’s a little difficult to play at first…

Here’s what the  D chord looks like:

Now, here it is barred:

(audio example D#/Eb root 1st fret, 4th string)

Fret/Chord Chart

You can determine the name of the chord when the root (lowest) note is
played on the frets in the chart below.

Fret	1	2	3	4	5	6	7	8	9	10	11	12
Chord	D#/Eb	E	F	F#/Gb	G	G#/Ab	A	A#/Bb	B	C	C#/Db	D

Exercise

Play the D major barre chord on the 1st fret, then the 2nd, and continue
up the fret board all the way up to the 12th fret. Then go all the way
back down to the open position. The exercise is performed in the audio
example below.