Question: When did the reality singing competition where a Dutch rapper of Moroccan descent appeared as a judge air?

Context articles: The Voice – Najljepši glas Hrvatske
Hlas Česko Slovenska 2012
Cambodian Idol (season 2)
The Voice of Italy
Hlas Česko Slovenska 2014
Ali B
The Voice of Holland (season 5)
Hlas Česko Slovenska
The Voice Kids (South Korean TV series)
Cambodian Idol (Season 1)

The Voice – Najljepši glas Hrvatske is a reality singing competition and version of The Voice of Holland for Croatia.
 It is part of the international syndication "The Voice" based on the reality singing competition launched in the Netherlands, created by Dutch television producer John de Mol.
Hlas Česko Slovenska (Czech and Slovak for "The Czech / Slovak Voice", literally "The Voice of Czecho Slovakia") is a reality singing competition and version of The Voice of Holland for Czech Republic and Slovakia.
 It is part of the international syndication "The Voice" based on the reality singing competition launched in the Netherlands, created by Dutch television producer John de Mol.
 It kicked-off on February 12, 2012 and ended on June 3, 2012.
Cambodian Idol (season 2) is a Cambodian Reality Singing Competition Program that premiered on 28 August on Hang Meas HDTV.
 Based on the reality singing competition "Pop Idol", the series was created by British television producer Simon Fuller.
 It is part of an international series.
The Voice of Italy was a reality singing competition and Italian version of the international syndication "The Voice" based on the reality singing competition launched in the Netherlands, created by Dutch television producer John de Mol.
 The inaugural season was in 2013 with the first episode airing on Rai 2 on March 7, 2013.
 The show is also broadcast via radio on Radio Rai and RTL 102.5.
Hlas Česko Slovenska (Czech and Slovak for "The Czech / Slovak Voice", literally "The Voice of Czecho Slovakia") is a reality singing competition and version of The Voice of Holland for Czech Republic and Slovakia.
 It is part of the international syndication "The Voice" based on the reality singing competition launched in the Netherlands, created by Dutch television producer John de Mol.
 It kicked-off on March 5, 2014.
Ali Bouali, stage name Ali B (born 16 October 1981), is a Dutch rapper of Moroccan descent.
 He is one of the most well known rappers in the Netherlands and he has performed together with Akon and Dutch artist Marco Borsato.
 In 2007 he made an Arab Remix of Akon's song "Ghetto."
The Voice of Holland (season 5) is the fifth season of the Dutch reality singing competition, created by media tycoon John de Mol.
 It aired during 2014 on RTL4.
 Martijn Krabbé and Wendy van Dijk returned as co-hosts, while Jamai Loman replaced Winston Gerschtanowitz as host of the red room.
 Marco Borsato, Trijntje Oosterhuis, Ilse DeLange and Ali B returned as coaches.
Hlas Česko Slovenska (Czech and Slovak for "The Czech / Slovak Voice", literally "The Voice of Czecho Slovakia") is a reality singing competition and version of The Voice of Holland for Czech Republic and Slovakia.
 It is part of the international syndication "The Voice" based on the reality singing competition launched in the Netherlands, created by Dutch television producer John de Mol.
 It kicked off on February 12, 2012 on CME channels TV Nova and Markíza, and is currently airing.
The Voice Kids () is a South Korean reality singing television competition on Mnet.
 It is based on the Dutch reality singing competition of the same name.
Cambodian Idol (season 1) is a Cambodian Reality Singing Competition Program that premiered on 12 July on Hang Meas HDTV.
 Based on the reality singing competition "Pop Idol", the series was created by British television producer Simon Fuller.
 It is part of an international series.