4 sentences

1. 校园民谣曾是一个时代的文化标志。

   xiào​yuán mín​yáo céng shì yī gè shí​dài de wén​huà biāo​zhì.

   Campus folk songs were once a cultural symbol of an era.

   Source: Dong Chinese Dictionary

2. 他在音乐会上深情演唱了福斯特的民谣。

   tā zài yīn​yuè​huì shàng shēn​qíng yǎn​chàng le Fú​sī​tè de mín​yáo.

   He sang Foster's folk songs soulfully at the concert.

   Source: Dong Chinese Dictionary

3. 他打算将这首赞美家乡的诗，重新谱成一首优美的民谣。

   tā dǎ​suàn jiāng zhè shǒu zàn​měi jiā​xiāng de shī, chóng​xīn pǔ chéng yī shǒu yōu​měi de mín​yáo.

   He plans to set this poem praising his hometown to music as a beautiful folk song.

   Source: Dong Chinese Dictionary

4. 这种古老的民谣在当地流传了数百年。

   zhè zhǒng gǔ​lǎo de mín​yáo zài dāng​dì liú​chuán le shù​bǎi nián.

   This ancient folk song has been passed down locally for centuries.

   Source: Dong Chinese Dictionary