Reference of v4 song id

arguments	description	optional
songname	any song name for fuzzy search	NO

Explain

Search and return the song id.
If you want to get full song info, please use v4/song/info instead.

Return data

{
    "status": 0,
    "content": {
        "id": "ifi"
    }
}

Error status

status	description
0	everything is OK
-1	invalid songname
-2	this song is not recorded in the database
-3	too many records
-233	unknown error occurred