Ezinyangeni ezimbalwa ezedlule, i-electronic music trio IsiSweden House Mafia umemezele nge-trailer ukukhishwa okulandelayo kwe-documentary entsha yeqembu eliqophe ezinye zezikhathi ezivelele zohambo lwalo lomhlaba lokugcina, 'Uhambo Olulodwa Lokugcina', uhambo olukhulu kunawo wonke umculo we-elektroniki ngamathikithi angaphezu kwe-1.000.000 athengiswe ngesonto elilodwa, kanye nohambo lokuvalelisa abavale ngalo isiteji sabo sobuchwepheshe njengabathathu.
NgoJanuwari odlule ilebula yakhe yagcina isimemezele usuku lokukhishwa kwe 'Shiya Umhlaba Ngemuva', idokhumentari eqondiswa umenzi wefilimu wase-Swedish u-Christian Larson eqondiswa u-Jonas Akerlund, ifilimu ethwebula izikhathi ezihamba phambili zohambo lokuvalelisa lwabathathu abathathu, futhi ezokwethulwa ngokusemthethweni njengengxenye yohlelo olulandelayo lwefestivali yefilimu ye-SXSW 2014, ukuze izobanjwa kusukela ngoMashi 11 kuya ku-16 edolobheni lase-Austin (Texas).
Idokhumentari ethi 'Leave The World Behind' ithembisa ukukhumbula izikhathi ezithinta inhliziyo zohambo lokuvalelisa, phakathi kukaNovemba 2012 noMashi 2013, wavakashela izinkundla eYurophu, e-Australia, e-Asia naseNyakatho Melika, kuze kube yilapho kwethulwa okokugcina ku-Ultra Music Festival ngo-March 24, 2013 edolobheni laseMiami. I-trailer ye-documentary eyethulwe ngonyaka odlule ibonise uhlangothi lomuntu lwebhendi, iveza ukuhlukumezeka okungokomzwelo okuhlangenwe nakho ohambweni lokuvalelisa oluphawula isigaba sokugcina se-Swedish electronic trio enekhono.