A look at this week's top-rated websites from StumbleUpon, recorded on December 4.
This week's selection includes two guys playing a medley of popular songs with unconventional instruments, a news article about a British soldier who smuggled himself into Auschwitz so he could tell others about the horrific experience, images of the work of artist Antony Gormley, a selection of unique convertible bed designs and a website that will transfer large files for free.
1. Ballon Bass And Box Jam
2. BBC News - The man who smuggled himself into Auschwitz
3. Antony Gormley | Escape Into Life
4. In bed with good design