Charles Ellicott Commentary 1 Chronicles 15:29

"And it came to pass, as the ark of the covenant of Jehovah came to the city of David, that Michal the daughter of Saul looked out at the window, and saw king David dancing and playing; and she despised him in her heart." — 1 Chronicles 15:29 (ASV)

And it came to pass. —The verse reads in the Hebrew like a modernized form of 2 Samuel 6:16.

As the ark of the covenant of the Lord came. —Rather, The ark had come so far as to the city, and Michal had looked out through the lattice, and she saw...

Dancing and playing. —In the Hebrew two common words have been substituted for the two obsolete ones occurring in Samuel.

Playing. —The Hebrew word denotes dancing combined with singing and playing (Jeremiah 30:19; 1 Samuel 18:6–7).

She despised him. —Because he seemed forgetful of his royal and manly honour, in dancing like a woman.