首曲子是谁谱写的.翻译英文
(1) By whom was this piece of music composed
(2) Who has composed this piece of music
(3) Who has created this piece of music
(4) Who is the composer of this piece of music
(5) Who has written this piece of music
(6) Who is the creator of this piece of music
(7) Who is the author /writer / composer /creator of this piece of music
