Watch a detailed microphone comparison video featuring blind tests of high-end vocal microphones (Telefunken U47 versus ELA M 251E) and guitar recording microphones (Royer R121 versus Shure SM57) in a professional studio setting. Learn the sonic characteristics and differences between these industry-standard microphones through direct A/B comparisons on both vocal and electric guitar amp recordings, helping make informed decisions about microphone selection for professional audio recording applications.