Just like to say I agree with your comments re strings on Letterman! Have a great day.

From Portugal to one of the greatest bass players on the world. Keep on walking, dear Adam Clayton!

Adam is an amazing musician and the silent driving force of the band. Hiss bass is... magnificent!! Happy birthday, Mr Clayton!!

kick back and enjoy, for soon you'll shall rock the world again.... happy b-day bass man

Adam happy brithday and thank you for your nice bass parts on the new album!!

Happy Birthday dear Mr Clayton, All the best from the little mediteranean island of Malta!!

The bass foundation on the new album is stunning. Today's is also my daughter's birthday; as a next-generation U2 fan, she loves that she shares her birthday with Adam. Happy Birthday, Bass Man!

Dear Adam, Live from The Netherlands I say to you: van harte gefeliciteerd (happy birthday), best wishes to the best bass player in the world!

Happy Birthday !!! A lot of happiness thank you for all these lines of mythical basses

Adam is the smoothest player I've ever had the pleasure ofwatching.Extraordinary!!!

Hope you have all you want from your day mate. Keep pounding the BIG STRING!!!!!!

I wonderhow many languages there would be if U2fans in different countries would say Happy b-day to Adam in their native language. I bet quite a lot:) In any case, Dear Adam, S Dnyom Rozhdenya as we say in Russian and keep rocking!

Adam - I love how you lay down the bass line

From Florence (Italy)to Dublin, Happy Birthday Adam! I wish you a "Magnificent "day! Thanks for all!

Happy Birthday Adam from a huge fan of yours and the band. Hope to finally see you guys on tour this year!

Hey Adam, Hope your B-day is fantastic!! Hope to see you up close and personal during the 360 tour! Love your style. The few times I got into the ellipse for the Vertigo tour, I always made sure I was in front of you so I could watch you jam and work the crowd!!! Chrissy

Even though it's been a while since we've seen you play in Bosnia, I hope you'll have plenty of great birthdays in years to come and pay us a little visit in near future. All the best!

Happy Birthday Adam. Happy Birthday to me today too and also my late grandfather Paddy who used to live in an orphanage on O'Connell Street in Dublin abouta hundredyears ago! Really looking forward to the tour. Enjoy your day!

Happy Birthday Adam! I really like the bass part on New Year's day. Do Do Du Dooo Do Do Du Doooo. Do Do Du Doo!

The music is all about the bass. happy birthday

Happy Birthday Adam! Not only are you the greatest bass player in music today, you're a part of the greatest band in the world. And you're hot too ;) Can't wait to see you on tour!

Happy birthday, or 'Gelukkige verjaardag' as they say in Belgium...And see you soon at one of the gig's...

YOUR'RE A GREAT PLAYER BON ANNIVERSAIRE DE FRANCE PM

Best wishes for Mister Cool.Love your magnificent bass. Hope to see U(2) soon in Belgium. Greetings from Aalst, the "carnaval-city of Europe. Lore, Inge en Steven

Thanks for being the bassline to my life since '84! Dec

I always get my seats on your side of the stage. John

To the best bass player and a gentleman, many happy returns!

The sex of music is in the rhythm. Play On!!! Happy Birthday!!!

Great new album, your parts are excellent! Enjoy your birthday! See ya on tour!

Happy 49th Adam. You were hilarious on Letterman. Enjoy a Magnificent birthday.