"You Make Me Feel (Mighty Real)" is a 1978 single by American disco/R&B singer Sylvester. The song was written by James Wirrick and Sylvester. It appears on Sylvester's 1978 album, Step II.

The song was originally recorded as a mid-tempo piano driven gospel song, however after producer Patrick Cowley saw a rehearsal of the song at San Francisco's city disco, he offered to remix the song. The result was one of the pioneering disco records using some electronic instrumentation and effects, following closely on "I Feel Love" by Donna Summer which heavily used electronic instrumentation ahead of its time. These 1970s songs using electronic instrumentation would have an influence on 1980s and 1990s dance music, which in turn, would have an influence on dance music in the next century.

The song was Sylvester's first Top 10 hit in the United Kingdom, where it peaked at #8 on the UK Singles Chart in October 1978. In Sylvester's home country, the single was his second Top 40 hit, peaking at #36 on the Billboard Hot 100 chart in February 1979. The song also reached #20 on the Billboard Hot Soul Singles chart. A 12" single was released in 1978, with "Dance (Disco Heat)" as the A-side and "You Make Me Feel (Mighty Real)" as the B-side, and these two extended dance mixes proved to be very popular in dance clubs at the time. The two songs held down the top spot on the Billboard Dance/Disco chart for six weeks in August and September 1978. These two songs helped to establish Sylvester's career as a noted disco and dance music performer, both in the U.S. and abroad.

Chicago-born house music singer Byron Stingily, formerly of the band Ten City recorded a cover of this song. Like Sylvester's original recording, Stingily's cover version of "You Make Me Feel (Mighty Real)" (produced by UK music producer Damien Mendis) also went to #1 on the American dance chart, where it spent one week atop the chart in March 1998. Although there have been instances where the same song, recorded by two different artists, has reached #1 on the Billboard Hot Dance Club Play chart ("Don't Leave Me This Way" is one example), it is still a fairly rare occurrence. This version also reached #13 in the UK.

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