Soon after winning the competition, Hassoun released her first single entitled "Rooh", which was written and composed by Lebanese songwriter Nikola Saada Nikhla. It was the first song to ever debut at number one on Rotana's PEPSI Top 20 charts, as it stayed at number for two weeks then peaking again at number one. The second song, ""Asmallah Asmallah" or "Ebin Bladi"", was written and composed by the Iraqi poet, Karim Al Iraqi as a gift to the Iraqi people and The Iraqi national football team which won the Asian Cup 2007. "Oushaq" was written and composed by the Lebanese singer Marwan Khoury. Hassoun also revived several traditional Iraqi songs; ""Allela 7elowa" and "Aleik As'al"" as a duo with Ilham al-Madfai. She also released an Iraqi song, "Mza'elni", that was written by Amar Almarhon and composed by Mohand Mehsen, and "Lo alf mara" which was the first song composed by Melhem Barakat for a non-Lebanese artist. Hassoun is also working with the Iraqi poet Karim Al Iraqi to produce new Iraqi songs,who has worked with the likes of Kazem al Saher. Hassoun has worked with Salah Al-Sharnoby, Ramy Ayach, Assi El Helani, Abadi Aljawher and George Wassouf for a common art work .