For personal for Romeo & Juliet maybe see Genome:

http://genome.ch.bbc.co.uk/search/0/20?adv=0&q=romeo+and+juliet+ballad+song&media=all&yf=1923&yt=2009&mf=1&mt=12&tf=00%3A00&tt=00%3A00

BBC Home Service
18 May 1966 14.20

BALLAD AND FOLK SONG A Radio Ballad by CHARLES PARKER based on Romeo and Juliet re-cast in the language and experience of today with songs and music by EWAN MACCOI. L and PEGGY SEEGER
Part 1
Books. Plays, Poems series         

BBC Home Service

25 May 1966 14.20

BALLAD AND FOLK SONG A Radio Ballad by EWAN MACCOLL based on Romeo and Juliet recast in the language and experience of today with songs and music by EWAN MACCOLL and PEGGY SEEGER
Part 2
Books. Plays. Poems series

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http://www.wcml.org.uk/contents/activists/ewan-maccoll/radio-and-oral-history/the-radio-ballads/

1966 Romeo and Juliet

Not a Radio Ballad but related in terms of radio technique, this was an hour-long modem version of Shakespeare's play, improvised and performed by the London Critics Group. Broadcast by the BBC and produced by Charles Parker.

songs:
Down the Lane
Friday Night
Juliet's Song
After the Weekend It's Monday
Sweet Thames, Flow Softly
Death of Tim and Wizz

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http://www.mudcat.org/thread.cfm?threadid=7910

Subject: RE: BBC Radio Balads by Ewan McColl/Chas. Parker
From: Nerd
Date: 03 Sep 02 - 11:20 PM

Dick and co:

MacColl's Romeo and Juliet was not a radio ballad, it was a radio drama he did after the Radio Ballads proper. Peggy Seeger calls it "not a radio ballad but related in terms of radio technique." Radio Ballads were documentary programmes created out of hours of ethnographic or journalistic interviews. Romeo and Juliet was an updated version of the Shakespeare drama, improvised and performed by the Critics Group.. But it had some great songs, including Sweet Thames Flow Softly.

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I'll research further.

CJB