404. That’s an error.

The requested URL /translate_c?depth=1&hl=fr&prev=search&rurl=translate.google.ch&sl=en&sp=nmt4&u=https://en.wikipedia.org/wiki/Key_%28music%29&usg=ALkJrhiX_Xehuvt9_ArwY42rgGW0T_W6pw was not found on this server. That’s all we know.