Murat Boz
Murat Boz (born 7 March 1980) is a Turkish singer-songwriter and actor.
After finishing his primary and secondary education in his birthplace, Karadeniz Ereğli, he moved to Istanbul and enrolled in Istanbul Bilgi University in 1999 and later continued his studies at the Istanbul Technical University.
At the same time he began to perform as a backing vocalist for Tarkan.
Boz began his solo career by releasing his first single, "Aşkı Bulamam Ben", in 2006.
In the following year his first studio album titled "Maximum" (2007) was released, which sold numerous copies and earned him multiple awards.
He continued his music career by releasing his subsequent albums "Şans" (2009), "Aşklarım Büyük Benden" (2011), and "Janti" (2016).
Numerous songs from these albums including "MaximumUçurumPara YokÖzledimSallana Sallana" and "Adını Bilen Yazsın" were among the top-five hits on Türkçe Top 20, and "Geri Dönüş OlsaKalamam Arkadaş" and "Janti" were the number-one singles on the list.
In addition to his singing career, he began acting by starring in the cinema movie "Hadi İnşallah" (2014), and later continued his successful acting career by playing leading roles in "Kardeşim Benim" (2016) and "Dönerse Senindir" (2016).
An avid player of violin, drum and ney, he is also the commercial face for many brands.
Boz is also a judge on the program "O Ses Türkiye"
(Turkish version of "The Voice") and was the winning judge on its first season.
Throughout his career he has won numerous awards, including four Golden Butterfly Awards and two Kral Music Awards.
Caspar Babypants
Caspar Babypants is the stage name of children's music artist Chris Ballew, who is also widely known as the singer of The Presidents of the United States of America.
Bernie Bonvoisin
Bernard Bonvoisin, known as Bernie Bonvoisin( born 9 July 1956 in Nanterre, Hauts- de- Seine), is a French hard rock singer and film director.
He is best known for having been the singer of Trust.
He was one of the best friends of Bon Scott the singer of AC/ DC and together they recorded the song" Ride On" which was one of the last songs by Bon Scott.
Geç Olmadan
"Geç Olmadan" (English: Before It's Too Late) is the fifth single by Turkish singer Murat Boz.
It was released by Doğan Music Company as the annual commercial song for Cornetto in Turkey.
Billy Milano
Billy Milano is a Bronx- born heavy metal musician now based in Austin, Texas.
He is the singer and- occasionally- guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death.
He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.
Panda (Astro song)
" Panda" is a song of the Chilean band Astro and is the fifth song of the homonymous album of the year 2011.
The song was composed and produced by the singer of the band Andrés Nusser and released like third single of the album on February 1, 2013.
Dáithí Sproule
Dáithí Sproule( born 23 May 1950) is a guitarist and singer of traditional Irish music.
His niece is the singer Claire Sproule.
Kristian Leontiou
Kristian Leontiou (born February 1982) is a British singer of Greek Cypriot descent, and is the singer for the indie rock band One eskimO.
O Valencia!
" O Valencia!" is the fifth single by the indie rock band
The Decemberists, and the first released from their fourth studio album," The Crane Wife".
The music was written by The Decemberists and the lyrics by Colin Meloy.
It tells a story of two star- crossed lovers.
The singer falls in love with a person who belongs to an opposing gang.
At the end of the song, the singer's lover jumps in to defend the singer, who is confronting his lover's brother( the singer's" sworn enemy") and is killed by the bullet intended for the singer.
Astrid North
Astrid North( Astrid Karina North Radmann; 24 August 1973, Berlin – 25 June 2019, Berlin) was a German soul singer and songwriter.
She was the singer of the German band, with whom she released five Albums.
As guest singer of the band she published three albums.

Question: Where did the performer of song Geç Olmadan graduate from?
Answer: Istanbul Bilgi University