Ilya Salmanzadeh
| Ilya | |
|---|---|
| Birth name | Ilya Salmanzadeh | 
| Also known as | KnocDown | 
| Born | 19 September 1986 Iran | 
| Origin | Stockholm, Sweden | 
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Ilya Salmanzadeh (Persian: ایلیا سلمانزاده; /sɑːlmənˈzɑːdə/; born 19 September 1986), known mononymously as Ilya, is an Iranian-born Swedish songwriter, producer, and singer. He rose to prominence outside of Sweden after co-writing and producing Ariana Grande's hit single "Problem" for her second studio album My Everything (2014).