1)
What is the subject of this Mizmor?
1.
Rashi: Refer to 39:1:2:2.
2.
Radak: It is like the previous Mizmor (for everyone to say when he is crushed in his illness or affliction of his soul).
3.
Malbim: It speaks honorably about the Nefesh, and its existence in a stricken body.
2)
What is "li'Ydusun"?
1.
Rashi: It is the name of a singer; it is also the name of a musical instrument.
2.
Rashi citing Midrash Agadah: It is about the Dasos (edicts), Dinin (judgments) and decrees of affliction on Yisrael.