That's subjective.
you have to get a drum machine, or music software (like GarageBand). Some electric keyboards have drum kits as well. To record and save your work, the easiest way is to connect your equipment to a...
You can make a techno song by mixing beats on a computer or turntable. Maybe you could try Garageband for Macs? Idk.... hope this helped.
The beat make you just wanna have a great time
A dj.