Although there are times where God respects some while rejecting others, God’s acceptance of one and rejection of another is never a baseless respect.
The idea of the word respect is that an individual looks at two things and chooses to look at one of them a second time demonstrating favouritism.
Throughout history, various motives have moved men to sing unto the Lord. Some men sang as a testimony of some specific thing God had done for them (Exodus 15:1; Psalm 126:1-2). Others sang in order to teach truths set forth in the word of God (Colossians 3:16; Psalm 101:1). Some even sang songs that would testify against them in times of disobedience (Deuteronomy 31:19). Though some things have changed throughout history, God’s people still should sing songs of personal testimony like My Jesus, I Love Thee; songs that teach like Holy and Reverend Is the Name; and songs that witness against disobedience like He Was Not Willing.
