Just found this link at Cardiphonia.
The data base lists various sites which are hosted by musicians who have produced material that references old hymn lyrics and varying styles of musical accompaniment.
Even a list this comprehensive seems to have missed recent contributions by EMU music and Sovereign Grace music and Matt Searles.
mgpcpastor's blog 
thanks for the links. will add these projects. We’ve been amazed at how many projects are coming out exploring old texts.