Am9 chordA minor 9th

String 6: fret 5, finger 1 (index)
String 5: fret 7, finger 3 (ring)
String 4: fret 5, finger 1 (index)
String 3: fret 5, finger 1 (index)
String 2: fret 5, finger 1 (index)
String 1: fret 7, finger 4 (pinky)
Barre: lay your index finger flat across fret 5

Am9 (A minor 9th) has a deep, warm sound. Notes: A – C – E – G – B.

How to play Am9

× muted string · ○ open string · numbers are fingers (1 index, 2 middle, 3 ring, 4 pinky)

💻 Learn it by playing in the app

The chord check listens and tells you which string is muted

Note	A	C	E	G	B
Interval	1 (root)	♭3 (minor 3rd)	5 (perfect 5th)	♭7	9

For the barre, keep your index finger close to the fret and slightly rolled onto its bony side; thumb behind the neck, around the middle.
Pick each string on its own and listen for muted strings; a finger touching the next string is the usual cause.
Press, release, press again: if you can form Am9 cleanly 20 times in a minute, you have it.