On this day in 1998: Massive Attack released <i>Mezzanine</i>

On April 20, 1998, Massive Attack released their era-defining third studio album, <i>Mezzanine</i> – featuring classic tracks like 'Angel', 'Teardrop' and 'Risingson'. To mark the occasion, here are Paul Nolan's reflections on one of the most iconic albums of the '90s.