Nightcore

Edit pitch-shifting and speeding up a song

A nightcore (also known as sped-up song, sped-up version, sped-up remix, or, simply, sped-up) edit is a version of a music track that increases the pitch and speeds up its source material by approximately 35%. This gives an effect almost identical to playing a 33⅓-RPM vinyl record at 45 RPM. This 35% increase in RPM causes the note C4 to become slightly lower in pitch than the note F#4 (261.63 Hz becomes 353.19 Hz) which is an increase of approximately 5 and a half semitones. Playing 33⅓-RPM Vinyl Trance records at 45RPM was common in the Happy Hardcore scene of the 90s and 2000s, which most likely inspired the genre.

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