单项选择题Machover's experiments on digital music are for the following purposes EXCEPT ______.
单项选择题Martin Goldsmith believes that computer music has not yet been widely accepted because ______.
单项选择题According to one expert, MIDI ______.
单项选择题In the sentence Using a moderately powerful desktop computer running a music composition program and a '500 synthesizer (paragraph 2) , the word moderately has the meaning of ______.
单项选择题At the end of the passage, the author seems to imply that success of the Bill depends upon _____.