2 sentences

1. 背景音乐很完美。

   bèi​jǐng​yīn​yuè hěn wán​měi.

   The background music is perfect.

   Source: CCMatrix

2. 背景音乐很少。

   bèi​jǐng​yīn​yuè hěn shǎo.

   There is very little background music.

   Source: CCMatrix