I am Siddhant Nayak and fairly new to open source community. I look forward to learning a lot and make useful contributions to MetaBrainz in Google Summer of Code 2020. If there is some kind of documentation available for newcomers, then please let me know.
Hi @sid1723 and welcome to MetaBrainz.
We generally refer newcomers (and esp. ones who come here for GSoC) to this document:
You may want to get familiar with IRC (see the above linked document), as that’s where most of the development discussion happens.