The rap music impresario Sean Combs has gone on a charm offensive to woo the world's biggest advertisers as he gears up for the launch of his new television channel, called Revolt TV, aimed at what he calls "millennials" – people in their teens and early twenties who were born just before the new millennium.

Observations: An app to tell you the songs you never knew you owned

If you thought you knew your own record collection, there's a new app that will make you think again.

Sleigh Bells
Holler for holograms: the late Tupac Shakur at Coachella making virtual appearance

Trending: You won't believe your eyes with hologram technology

Crowds at the Coachella music festival gasped at an appearance by the late Tupac Shakur. How did that happen? It's all thanks to stunning holograms created in the UK. Gillian Orr reports

Odd Future/OFWGKTA, Brixton Academy, London
Leslie Feist, Apollo, Manchester

Their music may be the vile splurge of a disturbed brain, but in the wreckage of a chaotic show, there are signs of hip-hop greatness

Album: Richard Fontaine, The High Country (Decor)

Resolute in their rejection of Hollywood happy endings, the songs Willy Vlautin writes for Richmond Fontaine are downbeat narratives, related against the tints of a subtle Americana-rock which yaws between country, indie and ambient, as the action demands.

Tupac Shakur's ashes smoked

Tupac Shakur's group, The Outlawz, smoked his ashes.

HTC joins forces with Dr Dre in $309m deal

HTC prides itself on being "quietly brilliant" but things may get a bit louder after the mobile phone company secured a deal with rapper Dr Dre.

Album: Wu-Tang Clan, Legendary Weapons (E1 PPP)

Legendary Weapons, it's claimed, is not a "proper" Wu-Tang Clan album, but rather a "compilation" album featuring members of the Clan alongside various old-school fellow-travellers like Sean Price. But then, weren't all the Clan's albums to some degree compilations, patchworks of the nine principals' differing styles and infatuations?

Snoop Dogg, Forum, London

Even the Snoop faithful were impatient at his late arrival, around 10.20pm, whistling and booing at the empty stage. When he did stroll on in his customary casual manner, the "King of the West Coast" was instantly forgiven.

Album: Snoop Dogg, Doggumentary (EMI)

It's many a year since the pigtailed rapper spat an inspired or original line, but he does at least recognise what some more articulate verbalists fail to grasp, which is that character and delivery counts as much as meaning – and few of his peers have as instantly recognisable a style as Snoop's laidback, lascivious drawl.

Gwyneth Paltrow is a rap fan

Gwyneth Paltrow knows every word to classic rap track 'F**k Tha Police'.

Nate Dogg: Singer who gave a soulful dimension to a raft of G-funk and gangsta rap records

Over the last two decades, the demarcation lines between hip-hop and R&B have become blurred as the two genres have cross-pollinated through the use of samples, the proliferation of remixes and the ubiquity of guest appearances by vocalists and rappers on each other's records. Nate Dogg, the singer whose signature baritone gave dozens of "G-funk" and gangsta rap tracks a soulful dimension, played a pivotal role in that development.

Rapper Nate Dogg dies

Nate Dogg has died aged 41.

P Diddy richest artist in hip-hop

P Diddy has been crowned the wealthiest artist in hip-hop, with a fortune of $475 million.

Diddy sued for $1 trillion

Diddy is being sued for $1 trillion.

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NHS struggling to monitor the safety and efficacy of its services outsourced to private providers

Who's monitoring the outsourced NHS services?

A report finds that private firms are not being properly assessed for their quality of care
Zac Goldsmith: 'I'll trigger a by-election over Heathrow'

Zac Goldsmith: 'I'll trigger a by-election over Heathrow'

The Tory MP said he did not want to stand again unless his party's manifesto ruled out a third runway. But he's doing so. Watch this space
How do Greek voters feel about Syriza's backtracking on its anti-austerity pledge?

How do Greeks feel about Syriza?

Five voters from different backgrounds tell us what they expect from Syriza's charismatic leader Alexis Tsipras
From Iraq to Libya and Syria: The wars that come back to haunt us

The wars that come back to haunt us

David Cameron should not escape blame for his role in conflicts that are still raging, argues Patrick Cockburn
Sam Baker and Lauren Laverne: Too busy to surf? Head to The Pool

Too busy to surf? Head to The Pool

A new website is trying to declutter the internet to help busy women. Holly Williams meets the founders
Heston Blumenthal to cook up a spice odyssey for British astronaut manning the International Space Station

UK's Major Tum to blast off on a spice odyssey

Nothing but the best for British astronaut as chef Heston Blumenthal cooks up his rations
John Harrison's 'longitude' clock sets new record - 300 years on

‘Longitude’ clock sets new record - 300 years on

Greenwich horologists celebrate as it keeps to within a second of real time over a 100-day test
Fears in the US of being outgunned in the vital propaganda wars by Russia, China - and even Isis - have prompted a rethink on overseas broadcasters

Let the propaganda wars begin - again

'Accurate, objective, comprehensive': that was Voice of America's creed, but now its masters want it to promote US policy, reports Rupert Cornwell
Why Japan's incredible long-distance runners will never win the London Marathon

Japan's incredible long-distance runners

Every year, Japanese long-distance runners post some of the world's fastest times – yet, come next weekend, not a single elite competitor from the country will be at the London Marathon
Why does Tom Drury remain the greatest writer you've never heard of?

Tom Drury: The quiet American

His debut was considered one of the finest novels of the past 50 years, and he is every bit the equal of his contemporaries, Jonathan Franzen, Dave Eggers and David Foster Wallace
You should judge a person by how they peel a potato

You should judge a person by how they peel a potato

Dave Hax's domestic tips are reminiscent of George Orwell's tea routine. The world might need revolution, but we like to sweat the small stuff, says DJ Taylor
Beige is back: The drab car colours of the 1970s are proving popular again

Beige to the future

Flares and flounce are back on catwalks but a revival in ’70s car paintjobs was a stack-heeled step too far – until now
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Bill Granger cooks with fresh cheeses

More delicate on the palate, milder, fresh cheeses can also be kinder to the waistline
Aston Villa vs Liverpool: 'This FA Cup run has been wonderful,' says veteran Shay Given

Shay Given: 'This FA Cup run has been wonderful'

The Villa keeper has been overlooked for a long time and has unhappy memories of the national stadium – but he is savouring his chance to play at Wembley
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Timeless drama of Championship race in league of its own