There is more than one artist with this name:
1) Midlands based UK hardcore, Jungle and now drum n bass DJ and producer. Tango released some massive tunes in the early days of hardcore on labels including Formation, F-Project and Creative Wax. He has also collaborated with artists such as Essence Of Aura, DJ Ratty & DJ Pulse. Tango is a trained chef and after taking a break from the scene for a few years he is now back producing and DJing drum & bass.
2) Tango is a Brazilian experimental project started in 2006 that mixes alternative rock with influences of tango.
3) Also, Tango - featuring the singer Miroslav Imrich - was a Czech rock band influenced by the then new wave. Tango released several singles and three main albums; it became quite popular in the 80ies.
4) Swedish post-punk band