Both groups received a sleep headphone headband that would play the sound – the piano chord C69 – while they were sleeping, every 10 seconds during REM sleep when nightmares were most likely ...

This interval is called a fifth. Try to play this interval on a keyboard or piano. A chord is a group of notes - usually three or more - which are stacked vertically. They are played together and ...

By changing the Gm chord to its 2nd inversion - so moving the ... Here we’ve loaded up a spacey piano sound and programmed a short turnaround part to mark the changes at every 8 bars.