Many consider Paul McCartney among the best singer-song writer of late 20th century.The British musician was one of four members of Beetles with fellow song writer John Lenon writing almost 300 songs during the band's 10 year run.Last wednesday President Barack Obama presented Paul McCartney with an award in a star studded event at the White House.British music legend Paul McCartney was invited to the White House on wednesday to receive the Gershwin Award for popular songs named after American song writer brothers George & Ira Gershwin.This award was presented to McCartney in recognition of almost five decades of extraordinary contribution to American music.President Obama presented McCartney with the award calling him the most successful song writer in history.Obama said it was a distinct pleasure for him to present the America's highest award for popular music on behalf of a greatful nation.President Obama paid tribute to the Beetles saying when Beetle mania storm the music world in the 1960s the band blew the walls down for everyone.The evening included an austere cast of performers who sang their own versions of McCartney hits.The highlight of the evening was the guest of honour who dedicated one of his classic hits to Mrs.Obama.At a news conference in the library of congress before the White House presentation for the Gershwin award,the former Beetle paid tribute to the award's namesake,the legendary song writing brothers George & Ira Gershwin.Gershwin compositions are the most cherished of American popular songs.One classic is 'Summertime'.Paul McCartney said he knew these songs and that made winning the Gershwin award especially meaningful.Previous recepients of this award include 23 time Grammy award winner Stivie Wonder and singer-song writer Paul Simon.