Polyphony

[摘要] Making music probably started with a single human voice meandering, creating a melody on the spot, originating from a simple hmm . At some point, a second voice may have joined the first, creating the very special resonances of singing in unison. Then, at some point, the second voice started the same melodic line on a different note, producing even …

[学科分类] 过敏症与临床免疫学