In brief we could say that Adham is a call to prayer. It calls Muslims to put away everything and harry to al-masjid "the mosque" to pray. it consist of few words that remind that there is no God but Allah and Allah is great and the Mohamed is the messenger of Allah and the prayer is the way to success. Here is a video of Adham with the translation: For more information about the Adham here are some sources : http://www.questionsonislam.com/article/what-adhan-call-prayer https://en.wikipedia.org/wiki/Adhan http://islam.about.com/cs/prayer/f/adhan_english.htm
Concise but true facts about Islam