I was going to send an email on this very subject to a friend. So here's what I told him.
<center>Easy(ish) to find and good in my opinion:</center>
Praeludium ad Simulationem
((Translation: "The more we practice, the better we fake it!"))
Performers: "Country Matters"
Label: Magnetic Oblivion Records
You just can't do better then this for authentic vocal music, you really can't... Well... Maybe you could. But this is just a great album.
Anything by the
Poxy Boggards
Label: ... Who knows
Authentic? Maybe not, but it sounds authentic enough. And it's mostly about drinking so there you go.
The Art of the Bawdy Song
Performers: The Baltimore Consort and The Merry Companions
Label: Dorian Recordings
One of the few "Classical" albums with a Parental Advisory label. Ronchy and authentic.
Fanfare, British Music for Symphonic Brass Ensemble
Conductor: James Stobart
Label: Chandos - #6573
28 Fanfare(s?) with such helpfull titles as "Fanfare for a Dignified Occasion" and "Fanfare for a Festive Occasion". Very regal.
Songs and Dances from Shakespeare
Performers: Alastair McLachlan, John Potter, et al.
Label: Saydisc
A few instramentals and a few vocals from Shakespeare's plays. Including "Full Fathom Five", "When And I Was a Little Tiny Boy", and "The Willow Song". Not a bad investment.
Watkins Ale
Performers: Howard Bass, Ann Marie Morgan
Label: Dorian
Annother good selection of songs.
<center>Hard to find, but very good:</center>
Music From the Tutor Age
Performers:City Waites
Label: Sound Alive Music (UK)
33 tracks of tutor music which includes England be Glad, I Am a Jolly Foster, Blow Thy Horn Hunter, Gentil Prince, and others. Many on this album are by Henry VIII himself (Greensleaves not included). A few instramental pieces, but mostly songs from Henry's "Court Song Book".
Also in this series is "Music from the Age of Chivalry", which has a lot of great instramentals. However, it's even harder to find then Tutor Age... In the US. If you're in the UK, it might be easyer to find these used.
If you can get your hands on them, anything in the Sounds Alive series is gold.