Once you have the basic beat down, you can experiment to add flair:
For faster "Samba-Bossa" tracks, double the speed of the bass drum while keeping the snare pattern light.
The bossa nova beat is one of the most recognizable and elegant rhythms in the world of drumming. Born in late 1950s Brazil, it distilled the high-energy thunder of street samba into a sophisticated, understated groove suitable for small jazz clubs and living rooms.