From sch 79 on 118.171:

Hymn: sch.5 on Ps.39.4(2);  1 on 148.1;  6 on 148.4(2);  [cf. sch 3 on 70.8];

Psalm: 4 on 9.12;   4 on 12.6;   4 on 46.7;   1 on 48.5;  9 on 70.22;   1 on 137.1;

for psalterion/kithara - very many but see 2 on 107.3;

From sch 79 on 118.171: [human, ascetical psalmody; angelic, contemplative hymnody]

[118.] 171. My lips shall utter a hymn, when You will teach me Your just deeds.

 79. Just as it pertains to those who are cheerful to sing psalms, as it is written, Is any cheerful? Let them sing psalms (Jas 5.3), so hymn-singing pertains to those who contemplate the logoi of just deeds.  For while human beings [chant the] harmony of psalms, the singing of hymns pertains to angels or those who have almost [attained] the angelic state.  For the shepherds keeping watch by night thus did not hear the angels singing psalms, but rather singing a hymn, saying Glory to God in the highest and peace to men of good will (Lk 2.14).

For [human (praktike) psalmodic] cheerfulness is the soul’s apatheia produced by the commandments of God and true teaching,

while a [angelic (theoretike)] hymn is glorification with astonishment at what God has brought into being.

This is roughly analogous to the psalmody/prayer distinction/interaction, where psalmody corresponds to asceticism (calming passions) while prayer [esp. without images, undistracted] is contemplation - "the highest power of the nous"

Hymn: sch.5 on Ps.39.4(2);  1 on 148.1;  6 on 148.4(2);  [cf. sch 3 on 70.8];

Psalm: 4 on 9.12;   4 on 12.6;   4 on 46.7;   1 on 48.5;  9 on 70.22;   1 on 137.1;

for psalterion/kithara - very many but see 2 on 107.3;

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