Deep house was largely pioneered by Chicago producers such as Marshall Jefferson (On The House) and Larry Heard (Mr. Fingers) and with tracks such as "Mystery of Love" (1985) and "Can You Feel It?" and (1986);[1] the latter had a similar impact on deep house as Derrick May's "Strings Of Life" (1987) did on Detroit techno.[2] Heard's deep house sound moved house music away from its posthuman tendencies back towards the lush soulful sound of early disco music (particularly that of old Philadelphia International and Salsoul records).[3]

Later period deep house tracks (1993—94) were more heavily influenced by disco and even merged into a disputable disco house genre.[citation needed] Modern deep house (post-2000) often shares features with the related genre of tech house but tends to focus on musical complexity where tech house focuses on simplicity.[citation needed]

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