“On the seventh day, they got up at daybreak and marched around [Jericho] seven times in the same manner, except that on that day they circled the city seven times. The seventh time around, when the priests sounded the trumpet blast, Joshua commanded the army, “Shout! For the LORD has given you the city!  . . . When the trumpets sounded, the army shouted, and at the sound of the trumpet, when the men gave a loud shout, the wall collapsed.” – Joshua 6:15-16,20

The number 7 is used throughout the bible to represent completion.  God created the earth in 7 days; Jericho fell in 7 days after 7 trips around the city; Hebrew slaves were to be freed after 7 years; and in Revelation, 7 angels delivered 7 plagues of God’s wrath to the earth, and then proclaimed, “It is done!” –  Rev. 16:17

The musical significance of seven is found in major and minor scales and keys. A major or minor scale is a series of 7 different notes played consecutively, and finish with an 8th note – the starting note an octave above.  For example, a G Major scale looks like this:    G  A  B  C  D  E  F#  G

The notes in a scale are at fixed intervals apart from each other to create the major or minor tonality (tonality = the relationship of the notes in a scale).

[note: chromatic scales among others are a whole different ball game.  We’ll address those later.]

A key is defined by a starting note, called the tonic, and consists of the notes in a scale beginning with the tonic.  Within a key, one note (the tonic) is more important than the other notes.  Consider the key of C.  Try playing the first 7 notes of the scale without playing a C at the top : C  D  E  F  G  A  B.  Do you feel that you really want to hear that final C played?  The scale gravitates you toward the tonic, thus defining a key.  There are 12 keys in all, one beginning on each of the 12 notes.

The Bible makes over 500 references to the number 7.  Here are just a few:

  • Genesis 2:2-3
  • Genesis 29:18
  • Genesis 41:29-30
  • Exodus 13:6
  • Exodus 21:2
  • Exodus 22:30
  • Exodus 23:11-12
  • Deuteronomy 15:1
  • Joshua 6:15-16,20
  • Daniel 9:24-26
  • Mark 8:20
  • Luke 17:4
  • Acts 6:3
  • Hebrews 11:30
  • Revelation 1:4
  • Revelation 1:20
  • Revelation 5:5
  • Revelation 11:13
  • Revelation 16:1

Note reading and rhythm lessons are coming soon.  Enjoy playing around with scales this week.


“Praise the LORD, for the LORD is good;
sing praise to his name” – Psalm 135:3

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