I haven't heard it, nor of it.`But I find it difficult to credit that anything could ever surpass the way Davy Graham did SMTtF.
I return to this thread only to note that it may not have been Wogan but his holiday relief who made the remark about Jour d'Eté. However, English trad remains scattered throughout BBC schedules (R3 & 4 in particular), sometimes even correctly attributed, as it ought to be as an integral part of English cultural representation.