Which of the following photographers’ work is considered an example of postmodernist art?

Match the instrument with its classification group: trumpet idiophone piano chordophone cowbell membranophone snare drum aerophone

In areas where even the experts disagree; everyone has a right to his own opinion. i mean if answers aren’t given just like in lots of things; then it has to be just anyone’s opinion. is this dualism multiplicity relativism or commitment

What are the two types of orchestra found in singapore?