 
 <prompt> "The temperament wey dem no use, dem consider am to dey balanced for wetin side? Based on di last question, write one context wey get di answer. E fit be 1 - 20 sentences. Context:" <response>: The theories wey dey surround equal temperament begin dey put into wider practice, especially as e enable wider range of chromatic possibilities for hard-to-tune keyboard instruments. Although Bach no use equal temperament, as modern piano dey generally tune, changes for the temperaments from the meantone system, wey dey common for that time, to various temperaments wey make modulation between all keys musically acceptable, make am possible for Bach's Well-Tempered Clavier. 