使用免费 API 获取音乐元数据
// 免费版 LRC 格式的歌词接口 403
MusiXmatch: Get Lyrics Data with the MusiXmatch API
LastFM: Pull Powerful Metadata, Popularity Charts and Cover Art with LastFM
iTunes API: Go Beyond Music with the iTunes API
Spotify API: Unlock Music Metadata and Playlists with the Spotify API