You can never--there's a strong legal precedent for not being able to make a claim about stolen bass, because these basses are limited in number, they involve rather simple harmonic progressions, and they've been used over the centuries.

可是你绝对不可能起诉别人抄袭低音部，这个强有力的法律判例，因为低音部的选择很有限，他们由很简单的和声进程组成，几个世纪以来一直在反复使用。

耶鲁公开课 - 聆听音乐课程节选