13.49A useful minimal voicing library

Memorize these in C:

Cmaj9

LH C

RH: E B D

Dm9

LH D

RH: F C E

G13

LH G

RH: F B E

Am9

LH A

RH: C G B

Fmaj9

LH F

RH: A E G

These shapes give you a lot of immediate harmonic vocabulary.