It is impossible to comprehend life without songs. There is a song for every mood and every occassion; be it romance, heartbreak, inspirational or introspection. Hence it is hardly a surprise that a new song or singer is introduced every hour. But nonetheless the charm of Beatles, Elvis Presley, John Lenon, Freddie Mercury, Michael Jackson and David Bowie is not lost on music lovers. In the Indian music arena one cannot miss the mellifluous voice of Lata Mangeshkar or the husky voice of Asha Bhosle, Kishore Kumar's famous yodelling or the evergreen voice of Hemant Kumar. Contemporary playback artists like Adam Levine, Adele, Taylor Swift, Justin Bieber, Psy, Sonu Nigam, Sunidhi Chauhan are carving a niche for themselves in the music industry. Here's what some famous singers have to say about life and other things.