What are some pills for performer?

What are the names of some pills that stage performers (musicians,etc) use? To soft nerves, delay bathroom, etc.
Anyone know what the ingredients of the
Answers:    You are referring to uppers,which can be a number of drugs,usually amphetamine base. The Problem with these are after a while your body depends on them,so you start taking what they call downers to induce sleep.So your body is later working on a mechanism of drugs,that are bad for your condition,and you will no doubt become addicted to! Judy Garland, Elvis Presley,Marilyn Monroe,to name but a few be all addicted to tablets like this,Look what happen to them!
Upper Stomach Pain and Yellow Stools?
take ganoderma it can activate brain and abet you perform better