I've made a MIDI which duplicates what my piano teacher taught me. She played the famous theme from Beethoven's 9th, first in 4/4 and then in 2/4 time. The difference in the accompaniment is what you notice first. In the 2/4 version, there is a strong 'ONE-two ONE-two' sound, with the first beat loud and the second softer. In 4/4, the first beat is the loudest, then three are softer. You can make the third beat somewhat louder, if you wish, but that's for another day. I'll have the MIDI play in 4/4, then there will be a pause, then it will play in 2/4. I'm sending it to JOe for posting. I believe 2/2 is like 2/4, only slower. Will have to check on that.
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