DJ Mag on Instagram: "Tiësto’s ‘Adagio For Strings’ turns 21 this year! 🎈 Originally composed by Samuel Barber in 1936, the classical composition was later reimagined by Dutch star Tiësto, who transformed it it into what is now regarded as one of trance music’s defining anthems. His version first appeared in the 2003 live DVD ‘Tiësto In Concert’, before later featuring as the closing track of his 2004 album, ‘Just Be’. The track was an international hit and reached the top five of the US Billbo