To succeed is very difficult, and will require a lot of effort.
A band can be made with relative ease and requires little to no effort, so here are instructions for those who don't want a difficult task.
Step 1: Step One: Getting the Members
The ability to play those instruments is more of a luxury, not a necessity.
However it is recommended that at least one member should be able to play theirs.
Also make sure that each member plays a DIFFERENT instrument, so that you don't have a band of 5 guitarists. (As cool as that would be)