There Are At Least Four Groups Call Mark IV And Two With Article The Mark IV.. Most Common Are 1 Rhythm And Blues / Soul Quartett In The 60's And 70's. They Are Jimmy Ponder Walter Moreland "Lucky" Antomattei And Lawrence Jones. They Record Only One LP Release Mark IV On Mercury. 2 Garage Rock ´60 Formed 1964 Poughkeepsie NY United States Disbanded 1968 Members Edward Gilroy Bass Guitar Jimmy "JJ" Marino Rhythm Guitar 1964-66 ?-1968 John Ackert Lead Guitar Organ Emory Ruger Drums Butch Loreto Rhythm Guitar 1966-68 Rae Ann Panzera Vocals