27th April 1761 Went to St Andrews Church Holborn to hear the Musik 36 Musitioner 16 Vocal for the benifitt of the Small Pox Hospital
Sermon Preacht by the Bishop Oxford gave 2/-
Text 12 Hebrew 21 vs
St Andrew's Holborn has a history of charitable connections. It was intimately connected with the Coram Foundation and the Royal Free Hospital was founded because William Marsden found a woman dying on the church steps but that was in the 19th century.
St Andrew's is a Wren Church. It was not completely destroyed in the Great Fire but was modernised in the 17th century to Wren plans
Here it is today
And here is a picture showing it in the 18th century.
It seems to have lost a lot of churchyard!
The London Smallpox hospital was in Windmill Street, off Tottenham Court Road (not to be confused with Great Windmill Street famous for the Windmill Theatre). It was founded in 1746 and is claimed to be the first specialist smallpox hospital in Europe. More about this here. Sometime between then and 1769, it was moved to a new building at Battle Bridge, where King's Cross Station now stands. It was in fields, well away from the possibility of infecting neighbours. The building looked like this:-
The Bishop of Oxford was John Hume who was also Dean of St Paul's (Shades of Anthony Trollope!). He went on to be Bishop of Salisbury.
The text reads
"And so terrible was the sight, that Moses said, I exceedingly fear and quake:"
This refers to Moses's direct encounter with God.
I have found nothing about the concert which is a shame. I'll keep looking.