how to make a random pattern generator c#

[btb900]

I know how to make a random number generator, but I want to make a random pattern generator of letters?

but only with this letters: E G B D F F A C E C# F# G# Bb .

so like this:

E A E A E A

or

E G B B G E E G B

or

F A C E F A C E

Continue reading...