José Nun chats about political ideology, citizens and election systems. Join him at 7.30pm at Café Cultura, Venezuela 370, free of charge.

Six famous artists pay homage to the earth, each one representing different aspects of it. Go along free at Holz gallery, Arroyo 862.

Tango class for beginners hosted by the International Student Night. More advanced dancers also welcome. Arrive on time and  get a free beer. Lessons begin at 9pm, Matienzo 2424, and a party follows. $15.

Music, a terrace, drinking games, aimed at foreign students to help you make friend in this big, bad country. It’s actually in a house from 11pm at Club Cultural Matienzo, Matienzo 2424, totally free.

Check out this dude. Born and bred in Avellaneda, a neighbour of Buenos Aires, sings tango from the heart, and stamps his authority on the audience. Watch him live at 9.30pm, Notorious club, Callao 966, $30.

Floki Gauvry presents this exhibition which demonstrates the various forms of movement of water and air through recordings and digital images. Take yourself downstream to see the inauguration today at 7pm, or visit at anytime until Saturday 2nd May at Libertad 1240, flat 9, free.

Catch up on the latest installation of a classic film cycle at 9.30pm at Virasoro Bar, Guatemala 4823. Tonight’s showing is The Informer, a film set in the darkness of the streets over just one night for which actor John Ford won an Oscar in 1935. For ticket information call 48318918.

Relax. Chill. Take it easy. Celebrate jazzlers Escandralum’s tenth year anniversary every Tuesday from 9.30pm at the Thelonious, Salguero 1884 ,entry $15.

Every Tuesday hip-hop, electric and drum n base are on offer at Kika club in Palermo. The club promises to be bursting with over 800 partygoers. Go to www.hype-ba.com and listen to the playlist on the MP3 section. The action starts at midnight, Honduras 5339. Price is $20 until 1.30am and $30 thereafter.

Check out what Argentina has to offer in terms of quality art pieces. You can view the items, and then bid for any that takes your fancy today. Go to Arenales 979 and have a look. Further information and images can be found at www.artverbosubastas.com.ar.