All progressions

I IV V in A: A, D, E

Their roots are the first, fourth and fifth notes of the A major scale. A, D and E are major chords.

1. A

   I

   A C# E

   Open in Keyriff

2. D

   IV

   D F# A

   Open in Keyriff

3. E

   V

   E G# B

   Open in Keyriff

I IV V in other keys

• C
• Db
• D
• Eb
• E
• F
• F#
• G
• Ab
• Bb
• B