Perfect 4th Descending

The perfect 4th is an interval that spans four notes on the musical staff.  It can be practiced the following ways.  

Moveable Do:                       

Fa - Do  or  Do - So

Song References:               

Eine Kleine Nachtmusik (Mozart), Shave and a Haircut, I've Been Working on the Railroad

Scale Degree Numbers:   

4 - 1  or 8 - 5

Sing the perfect 4th interval using the strategy of your choice.  Try using a different strategy the second time for greater understanding.  The interval will be played twice.