Arthur Cave, 15, fell from a cliff near Brighton on July 14
Arthur Cave, 15, passed away on Tuesday (July 14)
Arthur Cave named by police as person in Ovingdean incident
Soundtrack follows the pair's work on 'The Road' and 'The Assassination of Jesse James By The Coward Robert Ford'
'The Sick Bag Song' is 'an exploration of love, inspiration and memory'
Cave adds Hammersmith Apollo show on May 2
Cave will play five UK shows within the European run
The pair were both in the SoHo neighbourhood of Manhattan
The film will be released in the UK this September
The Bad Seeds frontman also said the music his children listen to sometimes makes him 'want to cut my wrists'