15 things to do this weekend

Saturday

Join the 'Sakura Revolution'...

There are more demos across the country this weekend than you can shake a celery stick at – which is lucky, because one of them requires you to do just that. Read our full round up of anti-nuclear demonstrations in Tokyo here.

Design, for charity...

Pechakucha Night raised $80,000 in response to the Haiti disaster - enough to rebuild a school. Their attentions turn this time to Tohoku, and the theme is 'Inspire Japan'. 80 PechaKucha cities have responded to the call so far (though not all of them are able to do it on April 16), with creators preparing work that focuses on the words 'inspire', 'Japan', 'the issues', and 'recovery'. Full event details here

See the Spazzys...

Melbourne's first ladies of girl band awesomeness are in town! Come and watch Kat, Lucy and Ally Spazzy hurtle through a selection of songs from their latest album, the appositely named Dumb is Forever. Full gig details here

Mega-fundraise...!

They'll be starting in the afternoon and carrying on way into the night at a 'non-stop music relay' charity party at hip Harajuku hangout Montoak this Saturday. Tokyo Dai-Ouen Kai (literally, Tokyo Mega Fundraiser) corals together a welter of big-name local DJs: Tomoyuki Tanaka, Towa Tei, Ko Kimura and Shinichi Osawa, to name but a few. Full event details here

Watch a dubstep war...

This month's bass worship session at Unit was originally supposed to be headlined by Goldie, but radiation fears forced the King of Jungle to pull out. It's been left to Silkie to hold down the fort, which might not be such a bad thing: the West London producer and DJ is one of the most consistently interesting forces in the dubstep scene, forever wriggling free of the stylistic orthodoxies of the genre. Added bonus: no Goldie means it'll be cheaper to get in, too. Full event details here