A Song
shiyr (sheer)
a song; abstractly, singing -- musical(-ick), sing(-er, -ing), song.
or Psalm
mizmowr (miz-more')
instrumental music; by implication, a poem set to notes -- psalm.
of David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
O God
'elohiym (el-o-heem')
angels, exceeding, God (gods)(-dess, -ly), (very) great, judges, mighty.
my heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
is fixed
kuwn (koon)
to be erect (i.e. stand perpendicular); hence (causatively) to set up, in a great variety of applications
I will sing
shiyr (sheer)
to sing -- sing(-er, -ing man, -ing woman).
and give praise
zamar (zaw-mar')
give praise, sing forth praises, psalms.
even with my glory
kabowd (kaw-bode')
weight, but only figuratively in a good sense, splendor or copiousness -- glorious(-ly), glory, honour(-able).