I believe they are called a rosary.
In Iraq prayers are called by the athann which is the call to prayer from the mosque from the imann ,the man who leads prayers.
they are "series of prayers to god"
the man who leads prayers is called 'Imam' that person can be randomly picked out of a crowd who knows the prayers word
They are called "aspirations or ejaculatory prayers. "
Maria
The Sacramentary
A prayer book.
matins
The person who leads prayers during religious services is called a Cantor.
In Hinduism, prayers written in the song or poem form are called Mantras.
There is a book called Quaran and sometimes there is a song called a ginan.
The person who leads the prayers is called a 'cantor'.