Jay Ko feat. Anya pictures Jay Ko feat. Anya biography Jay Ko feat. Anya songs Jay Ko feat. Anya albums Electrohouse duo from Romania. They became well known by the single ‘One’, which is a song by Romanian female recording artist Anya, written and remixed by JayKo. The song was physically released in November 2009 and reached the number-one position in the Romanian Singles Chart on March 20, 2010, after over 10 weeks in the top 10. One has been a big hit in several European countries.

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