Generators are essential in Tune Town. You create them by merging certain items, like Grip Handles, Golden Linings and Soft Cases, until you form a Brown Guitar Bag Generator.
Once you have a Generator, tapping on it will produce a set of specific items that can be merged. However, each Generator has a limited number of uses before it needs to recharge. During the recharge period, the Generator won’t produce any new items. If you want to speed up the recharge process, you can use Gems.
Generators produce more merge items which are used to complete orders.
You can identify Generators by their lightning bolt symbol 