Download the free percussion studio software
Add 2 new tracks as above with whatever instruments
you want. Hint left click where you want to add a note
or remove an unwanted note. Hit the space bar to
start and stop an endless loop of Mozambique.
Adjust the BPM slider to a speed you can cope with.
If you want to save it for later you will have to pay
for the software but it only takes a minute to key
in the rhythm again if you need to.