3 sentences

1. 每个音符都有对应的频率。

   měi gè yīn​fú dōu yǒu duì​yìng de pín​lǜ.

   Every musical note has a corresponding frequency.

   Source: OpenSubtitles

2. 五线谱上的每一个音符都代表一个特定的音高。

   wǔ​xiàn​pǔ shàng de měi yī gè yīn​fú dōu dài​biǎo yī gè tè​dìng de yīn​gāo.

   Every note on the staff represents a specific pitch.

   Source: Dong Chinese Dictionary

3. 形声字通常由形符和音符两个部分组成。

   xíng shēng zì tōng​cháng yóu xíng fú hé yīn​fú liǎng gè bù​fen zǔ​chéng.

   Phono-semantic characters are usually composed of a semantic component and a phonetic component.

   Source: Dong Chinese Dictionary