A short, sharp guide to what’s on in Hackney this weekend:

Friday

Debate whether social media is a blessing or a curse with panellists such as BBC newsreader George Alagiah, lecturer in digital culture and society Paolo Gerbaudo, associate editor of Wired.co.uk Olivia Solon and journalist and campaigner Caroline Criado-Perez. From 7.30pm, at St Peter’s Church, De Beauvoir Road, De Beauvoir, N1. Free, email amandad@blueyonder.co.uk.

Listen to London-based group Fofoulah which mixes Senegalese voices and west African rhythms with dub basslines, sci-fi synths, raw guitars and intense grooves. From 8.30pm at The Vortex Jazz Club, 11 Gillett Square, N16. Costs £10, call 020 7254 4097.

Enjoy a musical winter warmer from DJ Collective Slapshot Soul spinning a dance mix of northern soul, funk and rare grooves. From 9pm, at The Mascara Bar, 72 Stamford Hill, N16. Free, email info@mascarabar.co.uk.

Saturday

Listen to a classical concert performed by Hackney Youth Orchestras featuring works by Mozart, Rieding and Beethoven. From 11am, at Stoke Newington Media and Arts College, Clissold Road, N16. Free, email hyot@hotmail.co.uk. Get into the festive season with a Christmas bazaar at St John of Jerusalem Church. From 2pm, at Lauriston Road (corner with Moulins Road), Victoria Park, E9. Free, call 020 8985 5145.

Visit a winter fair featuring a craft market, mulled wine, cakes and mince pies, little donkey rides and Santa’s grotto. From noon to 5pm, at Lauriston Infant and Junior School, Rutland Road, E9. Entry fee is £1 for adults and free for children, email admin@lauriston.hackney.sch.uk.

Live it up with an evening of fine dining, wines and thought-provoking entertainment from some of the nation’s finest and funniest minds. From 6.30pm, at Central Foundation Boys’ School, Cowper Street, EC2A. Costs £50, 020 7253 3741.

Sunday

Buy second-hand parts, bike-related items and second-hand cycles at a bike jumble sale. From 11am, at The View Tube, The Greenway, E8. Free, call 07530 274 160.

Visit some of London’s best ghostsigns (fading advertisements painted on walls) on a walking tour with Sam Roberts, leader and curator of the Ghostsigns project. From 1.20pm, at Stoke Newington Railway Station, Station Approach, N16. Costs £16, email sam@ghostsigns.co.uk.

Enjoy an afternoon of live music featuring Gram National Submarine Band, Yngve & The Innocent and DJs. Full bar selling real ale, mulled wine, hot spicy cider and more. From 4pm, at Chats Palace, Brooksby’s Walk, E9. Free, but donation welcomed, email maddyclarke@mac.com.

Travel back to Christmas in the 1940s. Enjoy craft workshops, music, stories, make paper decorations at 4pm and enjoy a singsong as the tree is lit up. From 11am, at the V&A Museum of Childhood, Cambridge Heath Road, E2. Free, call 020 8983 5200.