This week’s guest on the Weekly Interval is the descending Perfect 4th. You’ll notice a number of popular melodies begin with this interval. Play the interval on your instrument. Listen to it. Spend a week with this interval, play it in different keys, different areas of the fretboard and listen for the melodies of familiar songs to jump out as you practice listening to the descending Perfect 4th. If you do hear the melody to a song that starts with this interval other than those listed below post it in the comments section.