Yes
yes
Any type of music is appropriate. Hanukkah is minor Jewish holiday, with many opportunities to be creative.
in the whole of germany
There are websites which offer free holiday themed ringtones. http://www.myxer.com/ringtones/Holiday/?loc=f is an example of a website with free holiday ringtones.
Germany's national holiday in 3rd October in commemoration of reunification on 3 October 1990.
Vampire Weekend---Holiday
No, except that the German Jewish population is much smaller, so in Germany, it's a more private holiday.
Holiday music can easily be found online by visiting websites that deal with Christmas music. They will also include music for other holidays and festivals.
A lot of the holidays as well as some festivals in Germany are based on Christian beliefs. The biggest holiday in Germany is Christmas. Easter is also a big holiday. A big non-religious holiday in Germany is Mother's Day.
Germany and Austria are famous for music
3 October is a national holiday in Germany and is known as Tag der deutschen Einheit (Day of German Unity). It became a national holiday following the reunification of Germany in 1990.
germany