His parents were collier John Brazell, and Mary, of Pwll, Llanelli, Carmarthenshire.
Following his education at local schools, Brazell entered employment in the tinplate industry, but studied music in Llanelli during his spare time.
Jenkins, he joined the Royal Academy of Music in London, where he spent five years.
He had a rich baritone voice, which was favoured by a number of accomplished composers of his time.
Edward Elgar invited him to sing at an early performance of his oratorio, The Dream of Gerontius, and Edward German invited him to sing the part of the Earl of Essex in his opera, Merrie England.