While it depends on where you go, German is the main language spoken here. They do also speak a lot of English. Because it's a metropolitan city, you can find all kinds of languages being spoken here depending on where you look.
The euro is the main currency.
Bottled water costs about two euro, but you can also safely consume tap water if you have a water bottle.
The best meal was a doner dish from a famous doner shop near where I live and study. Doner is a Turkish dish that is quite popular in Germany, and it is similar to foods such as schwarma.
My favorite album of the past week was Chromakopia by Tyler the Creator.
We took an overnight trip in our program to Dresden in Southern Germany. The restaurant we ate in that night featured a German band that had us sing ring-around-the-rosie as group.