Charles Stent Charles Stent Charles Stent (1807–1885) was a 19th-century English dentist notable for his advances in the field of denture making. In 1847, Edwin Truman introduced gutta-percha as a material for making dental impressions; however, this was unsatisfactory for several reasons, including its tendency to distort upon removal from the patient's mouth, and to shrink upon cooling. In 1856, Stent added several other materials to the gutta-percha, notably stearine, which markedly improved the plasticity of the material as well as its stability. He also added talc as an inert filler to give more body to the material, and red colouring. The
What It Feels Like for a Girl for a Girl" is an electronic synth-pop semi-ballad. Madonna and Sigsworth were listed as songwriters and producers on the track with additional production by Mark "Spike" Stent. American guitarist David Torn was credited as an additional songwriter after Madonna found out Sigsworth had sampled from Torn's 1987 album, "Cloud About Mercury". Stent recorded "What It Feels Like for a Girl" using a Sony 3348 HR and a BASF 931 tape. He mixed it at London's Olympic Studios using SSL G Series Quantegy magnetic tapes. Tim Young mastered the track at Metropolis Studio at Westminster, London. According to the sheet music