A diminished pattern you hear a lot of Jazz musicians play
Here is a diminished pattern that you probably have heard a lot of Jazz musicians play in different variations. This diminished lick is very easy to learn and implement into your improvisation skills.
Here is a sound sample played on trumpet:
How to memorize this diminished pattern in 12 keys:
Since this is another diminished pattern, you’ll only need to worry about memorizing the lick in 3 keys depending on which note you start on. You can see that this is simply a diminished scale going down with a half step up between each note of the diminished scale.
If you look closely, every first and fourth note of each group of 4 notes is just part of the diminished scale. This diminished lick is easy to learn on trumpet because the fingerings lay really well in all the keys.