这首曲子真好听英语怎么说

这首曲子真好听英文可以翻译成 "This song is really catchy." 或者 "This song is really pleasant to listen to."
关于曲子的来源，我无法回答您，因为我并不知道您指的是哪首曲子。
下面是一些关于 "catchy" 和 "pleasant to listen to" 的英文例句，以及它们的中文翻译：
"I can't get this catchy song out of my head." (我耳朵里不停地响着这首好听的歌。)
"This song is so catchy, I can't help but dance along." (这首歌太好听了，我忍不住要跟着跳舞。)
"I love listening to this song because it's so pleasant to listen to." (我喜欢听这首歌，因为它非常好听。)
"This song has a really pleasant melody that makes me feel relaxed." (这首歌的旋律非常舒服，让我感到轻松。)