Does the OP-1 have a built-in speaker?

It does, which is great for portable playback. However it is only small, so for higher sound reproduction we would recommend using headphones or plugging the OP-1 into a set of studio monitors.

Did I really see something with gorillas on the OP-1?

You did, the DrumBox features two gorillas playing the drums along to the chosen drum pattern or sequence.

How do make music on the OP-1?

The OP-1 has 4 tracks for recording. These can either be played live by hand or by using one of OP-1's sequencers. Recordings can consist of whole songs or of loops to construct songs out of.