pedals, modulation and pitch bend wheels, and a CV interface. The synthesizer also increased the amount of timbres and effects available. However, the Taurus II had no patch memory or foot controls apart from the pedals. Instead, the control panel was raised so that the player could manipulate it manually during performance. The value of the Taurus II did not appreciate as significantly as that of the Taurus I; in 2000, Mark Vail noted that the Taurus II was worth only about half as much as its predecessor. In general, the Taurus II is considered to be inferior to the original model because of its different synthesis engine. Taurus III In 2010, Moog released a redesigned version of the Taurus called the Taurus III in a limited run of 1,000 units. According to Moog's creative head Cyril Lance, a reissue of the Taurus had been in high demand since his first convention with Moog, the 2006 NAMM Show, shortly after Robert Moog's death. In 2007, Moog CEO Mike Adams proposed that if customers could generate pre-order sales of 250 units, the Taurus would go into production. Work on designing the Taurus III, led by Lance, began that year after 250 units were pre-ordered. Production ceased in June 2012. The Taurus III overlooks many of the changes made for the Taurus II, instead more closely emulating the original model. For instance, there is only one waveform available for the unit's two oscillators. Some features are added, such as USB and MIDI support, a larger memory capacity, and velocity sensitivity. The Taurus III also adds an arpeggiator and an LFO. Synthesis model The Taurus is monophonic, with its single voice generated by two oscillators running through one three-stage voltage-controlled amplifier. For the Taurus I and Taurus III, only one waveform was available: a distorted sawtooth wave. The Taurus II introduced a second waveform, the pulse wave. All models of the Taurus use a 24db/octave resonant low pass filter with key tracking. Although the early models did not include an LFO, the Taurus III has an LFO that can be routed to either oscillator pitch or filter frequency. Notable users The Taurus is well known for its use by progressive rock bands, such as Pink Floyd, Triumvirat, Rush, Yes and Genesis. Other bands such as U2 and The Police have also used the synthesizer. John Hackett was known for playing the foot pedals