The melody floated out of the instrument, sweet and pure and honest.

乐器飘扬出甜美、纯净、朴实的旋律。

youdao

They were simple, mournful and sweet, but they somehow did not fit in with the silent melody of the harp which filled the halls of the Old Ireland of my dreams.

这些歌曲很纯朴、哀怨而又悦耳，但总有点与我梦想中古老的爱尔兰音乐殿堂里充满的竖琴的寂静旋律格格不入。

youdao

There was even a wonderful folksy interlude mid-meal, when a group of men in the queue burst into an a cappella song, and then gave the stage to an accordionist, who played a sweet, sad melody.

更美妙的是还有餐间风情表演，一排男歌手突然爆发出无伴奏合唱，然后是手风琴独奏，表演者演奏了一首甜美而忧伤的乐曲。

youdao

After a few minutes, he seems to realize this, and begins the super-sweet melody almost sheepishly, as if he's apologizing for getting so carried away.

NPR: James Booker: Making the Insipid Sublime

The two musicians played as one, riffing off each other and producing a mesmerizing mix of sweet, gentle melody, pentatonic harmony and seductive rhythms.

WSJ: The First Sounds of Spring | Savannah Music Festival | By Barrymore Laurence Scherer

The strings, floating high and sweet, weave a long-lined melody, eventually making way for the soprano's entrance.

NPR: Richard Strauss: Perfecting the Swan Song