Following on from the Ventnor 'noc' BRW (pretty much confirmed as),
on Sunday (May 31st) Chris Meaney encountered a singing male
Marsh Warbler, which immediately elicited thoughts of an acro I'd recorded there on May 27th; to cut a long story short:
I did an overnight 'soundscape' in that exact same area [26th/27th - 21:30-06:40].
As I have an extensive backlog of recordings that is going to take an age to process, it's likely other things may come to light?! Plus there should be better and lengthier sound recordings. But this is a one minute snippet of the Marsh Warbler singing on May 27th: