Originally Posted by KMK

What if you were commanded to sing Ps 24 to the original melody/rhythm composed by David? Music of that region does not use diatonic scales. In fact, even melodies/rhythms from western cultures of hundreds of years ago are almost unsingable today by ameteurs. (Have you ever tried to sing along with the melodies of Josquin De Prez?) The fact that we are commanded to sing requires that 'someone' compose singable melodies/rhythms. These melodies/rhythms would have to conform somewhat to cultural norms. Therefore, if my reasoning is correct, the command to 'sing' is also a command to 'compose'.