Best way to get cover art from artist/track (minimal number of requests, lowest impact on database,...)

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Hi !

I’m new and kinda noobs on using MB. I’m trying (for fun and personal interest) to write a small webpage to listen to a webradio and have covert art. I can only have the name of the artist and the name of the song and I’d like to have a picture.
Let’s say I have “Deep Purple” and “Child In Time” tags and I want the front cover art of “In rock”.

I understand that I need to make a first resquest like /ws/2/artist?query=artist:“deep purple” in order to get the arid of Deep Purple (first answer probably) and then a second request to get the albums : one like /ws/2/recording?query=something and if I find something interesting, take the album_id and make a final request to Am I correct ?

Is using the arid the best choice or would it be better to put the artist name in the recording request ?

As far as I understand things with my interactive tests on the website, if I use the latter, I get albums by all artists that played a song of Deep Purple and then much more answers.

It seems to me that I would have greater chance to get the best answer in the first place if I would filter with status(:Official) and type(only Album and no other type like Compilation, EP, Live, Single, etc. ) .

How would you write those requests to make them the most efficient ?

Thanks for reading me and thanks for your help,
Best regards,



In this request, how can I say “AND NOT secondary-type:Compilation” ?

Thanks for your reply or a link to a similar subject


I’m far from an expert using the search API, but

I guess using the artist name would avoid one query. You have more risks of selecting an homonym but artist+title will probably be unique. Not sure why you get cover results with other artists than Deep Purple.

The keyword is “secondarytype” (

So your query should look like:"Deep+Purple"+AND+recording%3A"Child+In+Time"+AND+NOT+secondarytype%3A"compilation"&limit=2&method=advanced&fmt=json
followed probably by a filter on score and release year

In javascript a basic version would probably look like

    resp => resp.json()
    json => console.log(
            rec => rec.score > 90
            rec => rec.releases[0].id

Then your second query on CAA should follow


Thank you very much !
I guess my mistakes were that I forgot method=advanced and I mistyped secondarytype with a ‘-’ which led to these filters to be ignored.
I’m going to try this tonight, thanks again !


That part is probably not necessary