Pink Floyd. There's a very good reason they're one of the most successful acts ever. * "The Trial" anyone? * Warning, that link leads to one of the weirdest and scariest music videos ever. Still a fantastic end track. * "Echoes". With 2001: A Space Odyssey. You CANNOT get more awesome than that. * "Echoes" is the greatest song written. The reprise and the release, the band jam with the two guitar solos in a row, the whale song. Just unbelievable. * "Time". Just... "Time". * "Careful with That Axe, Eugene", "Julia Dream", the live side of Ummagumma and the Atom Heart Mother Suite also deserve a mention. * "Comfortably Numb" is a huge fan favorite, for a reason. * Especially the live version from Pulse. The guitar solo almost hurts, and the light show isn'