Initially contemporaries of Nirvana and Pearl Jam, Billy Corgan's Smashing Pumpkins outgrew and outlived the grunge scene with hugely acclaimed commercial triumphs like Siamese Dream, which legitimised heavy metal, and number one album Mellon Collie and The Infinite Sadness . Unlike many of their contemporaries, the Pumpkins were able to withstand internal problems and keep selling records, emerging as the longest-lasting and most successful alternative...