Adhan (Ezan) is the call to prayer from the Minaret, Iqamat (Kamet) is the call to prayer in the Mosque immediately before the prayer. Here are performed both for the 5 daily prayers in different Maqams as well as some recitations connected to them. At the end some Sufi songs (Ilahis).
Ahmed Şahin is a well known Ney player and Sufi singer and the Imam of a Mosque in Istanbul.
We posted already another Adhan cassette by him: