After watching the new Bohemian Rhapsody movie I was curious about the setup for Live Aid and came across this old copy of Study Sound, circa December 1985, which had a good bit of info on the Hill sound systems used. However, it also included an article related to Starlight Express and it mentioned the use of Sennheiser MKE2 lav elements. This interested me, as I had assumed the MKE2's were...
Sennheiser MKE2 History
Sennheiser MKE2 History