Pekkan spent the first twenty years of her singing career with dozens of songs released as cover versions. These songs, which were generally written by Fikret Şeneş and included "Kimler Geldi Kimler Geçti", "Palavra Palavra", "Sana Neler Edeceğim", "Hoş Gör Sen", "Sana Ne Kime Ne", "Bambaşka Biri", "Uykusuz Her Gece" and "O Benim Dünyam", later took their place among the best known songs of both Pekkan's career and the Turkish pop music genre. From the 1990s onwards, she worked with various songwriters and arrangers, including Şehrazat and Sezen Aksu. During this period, many of her songs such as "Yaz Yaz Yaz", "Sarıl Bana", "Eğlen Güzelim", "Vitrin", "Aynen Öyle" and "Yakar Geçerim" ranked among the best songs on Turkey's music charts.