Producers use many different sound-sources for bass sounds in house, from continuous, repeating electronically generated lines sequenced on a synthesizer, such as a Korg M1, Roland SH-101, or TB-303, to studio recordings or samples of live electric bassists, or simply filtered-down samples from whole stereo recordings of classic funk tracks or any other songs.

The Roland TB-303 Bass Line is a bass synthesizer with built-in sequencer manufactured by the Roland corporation from 1982 to 1984 that had a defining role in the development of contemporary electronic dance music.

Jesse Saunders also utilized the TB-303 with a Roland TR-808 drum machine and Korg Poly-61 synthesizer for the seminal Chicago house record " On and On " ( 1984 ).

As the popularity of these new TB-303 clones grew, Roland, the original TB-303 manufacturer, finally took notice and released their own TB-303 " clone " in 1996, the MC-303 Groovebox.

* Instruments That Changed The Game: The Roland TB-303 Turns 30!

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* 1981 – Roland TB-303 The Bass Line is a synthesizer with built-in sequencer manufactured from late 1981 to 1984.

One of the earliest synthesizers to be employed in acid music was the Roland TB-303, which makes use of a resonant low-pass filter to emphasize the harmonics of the sound.

This has led to increased demand for used units ( such as the 1980 Roland TR-808 drum machine and Roland TB-303 bass synthesizer ).

Analog Brothers is an experimental hip-hop crew featuring Ice Oscillator also known as Ice-T ( keyboards, drums, vocals ), Keith Korg also known as Kool Keith ( bass, strings, vocals ), Mark Moog also known as Marc Live ( drums, violyns and vocals ), Silver Synth also known as Black Silver ( synthesizer, lazar bell and vocals ), and Rex Roland also known as Pimp Rex ( keyboards, vocals, production ).

Over the years, Lee's keyboards have featured synthesizers from Oberheim ( Eight-voice, OB-1, OB-X, OB-Xa ), PPG ( Wave 2. 2 and 2. 3 ), Roland ( Jupiter 8, D-50, XV-5080, and a Fantom X7 starting on the Snakes & Arrows Tour ), Moog ( Minimoog, Taurus bass pedals, Moog Little Phatty ), and Yamaha ( DX7, Yamaha KX76 ).

The Roland TR-808 held specific appeal because of the ability of its bass drum sound to produce extremely low-frequency sounds.

It also featured various unique artificial percussion sounds that characterized the TR-808: a deep bass kick drum, " tinny handclap sounds ," “ the ticky snare, the tishy hi-hats ( open and closed ) and the spacey cowbell .” The Roland TR-808 would eventually be used on more hit records than any other drum machine, and has thus attained an iconic status within the music industry.

Other early users of the TR-808 include Australian producer Mark Moffatt, with his studio project, the Monitors ( 1981 ), and Indian musician Charanjit Singh, who used it alongside a Roland TB-303 bass synthesizer to produce music resembling acid house in his 1982 album Synthesizing: Ten Ragas to a Disco Beat.

( 1978 ) with a quartet that included pianist Oscar Peterson, guitarist Joe Pass, bassist Ray Brown, and drummer Louis Bellson ; two Duke Ellington Songbook albums ( 1979 ); Send In The Clowns ( 1981 ) with the Count Basie orchestra playing arrangements primarily by Sammy Nestico ; and Crazy and Mixed Up ( 1982 ), another quartet album featuring Sir Roland Hanna, piano, Joe Pass, guitar, Andy Simpkins, bass, and Harold Jones, drums.

Colley played primarily baritone saxophone, along with soprano or tenor saxes, and the rare bass saxophone, and he sometimes played two saxes at once, a la Roland Kirk ; he also played occasional percussion, and Dobro on a B-side.

Customized Roland GK-3 pickups are available for the treble or bass side of the instrument, allowing the instrument to drive one or two guitar synthesizers such as the Roland GR-20 or Axon AX-100, and also to drive other MIDI instruments or sequencers chained to the guitar synthesizer.

Ghettotech follows the same sexually oriented lyrics, hip-hop bass lines and streetwise attitude, but with harder, up-tempo Roland TR-909 techno-style kick beats.

Saunders & Lawrence added hypnotic lyrics and electronic instruments, utilizing a Roland TR-808 drum machine as electronic percussion as well as a Korg Poly-61 synthesizer and Roland TB-303 bass synthesizer.

Acid house arose from Chicago artists ' experiments with the squelchy Roland TB-303 bass synthesizer, and the style's earliest release on vinyl is generally cited as Phuture's " Acid Tracks " ( 1987 ).

* Roland TB-303, a bass synthesizer manufactured from 1981 to 1984

One way around this was to use a ' hybrid system ', most notably the Roland MC-8 Microcomposer, where a microprocessor-based system controls an analog synthesizer, released in 1978.

Newer advances in synthesizer and sampler technology have allowed Lee to store familiar sounds from his old synthesizers alongside new ones in combination synthesizer / samplers, such as the Roland XV-5080.

From the Snakes and Arrows tour onwards, Lee used a Roland Fantom X7 and a Moog Little Phatty synthesizer.

By the time of the January 1983 Winter NAMM Show, Smith was able to demonstrate a MIDI connection between his Prophet 600 analog synthesizer and a Roland JP-6.

The Roland MC-202 MicroComposer is a monophonic analog synthesizer / sequencer released by Roland in 1983.

* 1973 – Roland SH-1000: Japan's first commercial keyboard synthesizer.

* 1974 – Roland SH-3A: Monophonic synthesizer.

* 1975 – Roland System-100: Roland's first attempt at a modular synthesizer.

* 1976 – Roland System-700: Roland's first professional-quality modular synthesizer.

* 1977 – Roland GR-500: Roland's first commercial guitar synthesizer.

* 1978 – Roland Jupiter-4: Roland's first self-contained polyphonic synthesizer.

* 1981 – Roland System-100M: Semiprofessional modular synthesizer, successor of System-100.

* 1981 – Roland Jupiter-8: Roland claims this synthesizer put them in the forefront of professional synthesizers.

* 1982 – Roland Juno-6: Roland's first synthesizer with digitally controlled oscillators.

* 1982 – Roland G505 – G202: The 3rd generation of Roland electric guitar synthesizer controllers.