Don't know how easy it would be to make a web source for Vocadb (a Vocaloid music database) but seems they have a public API so maybe a clever person could take a look 
I've created a web source and posted about it here
Don't know how easy it would be to make a web source for Vocadb (a Vocaloid music database) but seems they have a public API so maybe a clever person could take a look
I've created a web source and posted about it here