Hard Working class Heroes is back with a revised format this weekend.
In a smart move the festival has reduced the number of acts to just fifty meaning that this is probably the strongest line-up Hard Working Class Heroes has ever had.
We've taken a look at the line-up and chosen our favourite acts, so you don't have to.
Singer/songwriter Paddy Hanna will appear with his band of bad boys, featuring Adam Faulkner and Daniel Fox of Girl Band fame.
Friday - The Workman's Club 22:15-22:45
One of our top tips for 2017, Thumper's latest release 'Pop Goes The Weasel' is well worth a listen.
Friday - The Workman's Club 23:00-23:00
Sal Stapelton's dark, sexual brand of electronica comes complete with an impressive lightshow and dancers.
Friday - The Grand Social 20:45-21:15
One of the best up-and-coming acts in Ireland - you may recognise them from the Vodafone festival advert.
Friday - The Grand Social 21:30-22:00
Walkinstown singer-songwriter Katie Laffan is a real treat live, with a fresh and funky approach to song-writing.
Friday - The Underground 19:30-20:00
This Dublin duo deliver, sweet, ephemeral harmonies with a hazy electro twist.
Friday - The Underground 21:45-22:15
Jealous of The Birds
Jealous of The Birds deliver classic sounding songs with witty and cutting lyrics.
Friday - The Underground 22:30-2300
Erica Cody is one of the most impressive new acts in Irish R'N'B.
Friday - Tramline 19:45-21:15
Loah possesses one of the finest voices of her generation. She is an accomplished songwriter and performer, destined for big things.
Friday - Tramline 22:00-22:30
You may recognise Jafaris from the movie Sing Street, but you'll remember him for his passionate live performance and phenomenal live band.
Friday - Tramline 22:45-23:15
Æ MAK deliver, eccentric, bouncy, feel-good pop music with a hint of surrealism.
Saturday - The Workman's Club 20:45-21:15
Frankenstein Bolts have delivered one of the best Irish albums of the year so far with 'Aglow and Spark'.
Saturday - The Workman's Club 22:15-22:45
Bitch Falcon is simply one of the best heavy rock acts Ireland has produced in the last 30 years.
Saturday - The Workman's Club 23:00-23:00
With a track on the soundtrack to FIFA 2018, you can be sure that Outsider is destined for bigger things.
Saturday - The Grand Social 19:15-1945
Another one of our tips for the year, Laoise is fast developing into one of Ireland's best new acts.
Saturday - The Grand Social 21:30-22:00
Cinema's debut 'A Night Train to Budapest' marked him out as one of the most promising electro producers in Ireland.
Saturday - The Underground 20:15-20:45
Bantum received a Choice Music Prize nomination for his album 'Move' last year and with good reason, Bantum's brand of electronica produced several of Ireland's best songs of 2016.
Saturday - The Underground 22:30-23:00
Another one of our tips for 2017, Super Silly mix gospel and R'N'B with considerable style.
Saturday - Tramline 19:45-20:15
Chasing Abbey produced the breakthrough Irish song of 2017 and have since signed for a major label. You won't get many more chances to see them in a small venue like this.
Saturday - Tramline 20:30-21:00
Another one of our tips for 2017, Soule has almost 2 million streams on Spotify in her short career and is fast becoming the female face of Irish hip hop.
Saturday - Tramline 22:45-23:15