Keyboard Workstations like the Yamaha Tyros (pictured) include a vast array of high-quality sampled instrument sounds and accompaniment styles, making them great for performing solo as a one-man band or providing karaoke backing music. They also often feature easy-to-use recording capabilities, allowing a player to record and produce their own songs and some even include lesson modules which can assist in learning to play the keyboard.
C dim
C Eb Gb
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C# E G
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D F Ab
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Eb Gb A
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E G Bb
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F Ab B
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F# A C
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G Bb Db
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G# B D
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A C Eb
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Bb Db E
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B D F
Synthesizers are electronic instruments which can produce a wide range of sounds through analog or digital means. Early analog synths, like the Roland Jupiter-8, operated by generating audio signals of different frequencies, however most other synths, like the Roland Fantom-X (pictured) use digital technology to produce sounds. Synthesizers generally incorporate a traditional piano-style keyboard in their design with additional controls such as buttons and knobs to allow users to modify the sound.