“充满歌声的”可以翻译为 "full of songs" 或 "song-filled"。
"full of songs" 是较为直白的表达，强调充满歌声的状态。
"song-filled" 是更简洁的合成形容词形式，常用于文学或描述性语境。
The festival was full of songs and laughter.（节日充满了歌声和欢笑。）
We walked through a song-filled forest.（我们穿过了一片充满歌声的森林。）