Excellent Audio Bio on David Brainard

A few years ago I heard Leonard Ravenhill mention that one of the books that changed his life was the Life & Diary of David Brainard; I have been shaken by it yet again & was hungry for more.
Upon searching for I stumbled upon this audio file:

[url=http://www.sermonaudio.com/sermoninfo.asp?SID=616030646]Church History - #13 David Brainard 1718-1747[/url]

I don't know enough about the speaker to endorse him, so tread lightly