Button Beats has many elements worth exploring.
In one, trigger the range of beats and breaks by activating different sections of the cube. Then add your own elements, such as guitar riffs and synth lines.
There are many interesting ways to investigate aspects of composition in the free version of Button Beats. You can even sample, and play, your own voice or sounds.
Have a play and remember there is the red STOP loop button!
Category: 2) Useful n Interesting