Master Hypnotist and Singer with The Irish Rat Pack/Wedding Knights bands

Next Band Showcase: 7.45pm to 8.30pm

June 3rd Dublin

Venue:Bad Bobs

Temple Bar




Why have over 1,000 couples picked us to perform at their weddings over the past 10 years?

Because we are the best wedding band, we won’t let you down and we guarantee a full dance floor

So are you getting married or having an event?

Then you need to ask yourself a few questions first so you don’t get let down on the day?

  • Do you want peace of mind that the entertainment for your event will be on time, dress to suit the event, keep your guests happy and more then anything not cancel on you at the last minute?
  • Do you want to be able to book your entertainment via Ireland’s top entertainment agent who stands over every booking?
  • Do you want the entertainment you see online or at a show to be the exact same as who turns up at your event or wedding?
  • Then you need to book Jason O’Callaghan and his show to guarantee it runs perfectly
  • Over the past ten years he has performed at over 1,000 concerts, black tie charity dinners, society weddings and events and guarantees to make your event a success.
  • Click on our testimonials page to read reviews from hundreds of happy customers
  • View our videos below, no tricks, no auto-tuning or music playing over video footage, just real musicians in his band and real comedy with his hypnosis show. The same high levels you will get on the night of your event.
  • Available in whichever line up you need. From stand alone comedy hypnosis show to full concert.
  • For weddings we provide church music, drinks reception music, 4/6 piece band (either a mix with Wedding Knights or full swing show with The Irish Rat Pack, comedy hypnosis spot, followed DJ)
  • Nationwide travel, tailored show to suit you, full day and nights entertainment
  • Call Suzy or Faye now for a quote for your date on 01 2013660 or email mentioning Jason O’Callaghan’s show

“I guarantee a full dance floor for your event, with either laughter if its comedy hypnosis or dancing if its music you need” Jason O’Callaghan

Live Hypnosis shows

June 12th Kildare

Click here to for Cunninghams website

June 19th Dublin

Click here to buy tickets

June 27th Nenagh

Click here to for Arts Centre

Watch Jason’s recent sell out show in Dublin

Jason O’Callaghan’s band and comedy hypnosis show

(The Wedding Knights/The Irish Rat Pack band)


Jason and his band have been the brides choice for 1,000 weddings

Jason and his band have been the brides choice for 1,000 weddings.

Jason O’Callaghan has been performing since 2002 when he founded The Irish Rat Pack. He has performed at over 1,000 events both as a singer with his live band or on his own with his comedy hypnosis show.

He guarantees a fun night of comedy, music and craic for your special event unlike anything else you or your guests have seen before and is a must for any event. He can offer you a choice of two styles of band (The Wedding Knights Wedding Band covering all styles of music or The Irish Rat Pack Swing Band).

Award winning Live Show

tony b

Jason with music legend Tony Bennett

Jason has been working alongside Louis Walsh since 1996

Working alongside Louis Walsh since 1996

With a record that includes 7 sell out shows in Vicar Street, 8 shows in the Olympia Theater, the weddings of countless sports stars and celebrities, he has also worked with a host of musicians including recording a duet with Westlifes Brian McFadden and appeared in a variety of publications including OK and Hello magazine. He is available with a 4 to 6 piece band. He is also available for drinks receptions.


Services we offer

(pick one or all)


  • Church Music (piano player/female singer)
  • Drinks reception music (jazz duo to full band)
  • Comedy hypnosis show (45 mins before band or 1.5 hours for stand alone hypnosis show)
  • Main after dinner band (4 to 6 piece show including brass/female singer)
  • DJ after the band

Live Hypnosis Show

Please review our band showcase above which was recorded Live with the exact band you will get for your event

(Comedy hypnosis is available as stand alone spot  for 45 mins, or as part of show with band or hypnosis show with DJ for the night)


This show will be specifically tailored to your event and for all members of audience. Jason’s show is a fast-paced, high-energy show with lots of music. All the material is appropriate and the show does not resort to cheap laughs or offensive material. So no sexual content, or asking participants to cluck like a chicken!

Image from Jason's hypnosis show in Dublin

Image from Jason’s hypnosis show in Dublin

The Show is aimed at being Safe Entertainment for your guests. The performance is designed to yield maximum fun while providing a safe environment for the audience and participants to enjoy themselves.

 The Content of Jason’s show is appropriate and guaranteed not to offend your guests.



For corporate bookings, conferences, seminars, comedy bookings or performances contact Jason O’Callaghan’s exclusive agent at Audio Networks – Suzy / Faye at: + 353 (0)1 201 3660 or email: