Olaf Jeglitza (born 15 February 1965), known professionally as O-Jay,[1] is a German rapper best known as the frontman of the '90s Eurodance and pop music project Real McCoy (also known as M.C.

During that time, he met the rapper Aram Mouchegh (The-A) and they became a trio act called the Masterplan.

In 1988, Jeglitza and Hassas together with producer Juergen Wind formed a new project called the Alliance.

Sar & the Real McCoy, in connection with a production request by Reinhard Piel (head of A&R at ZYX Records) for a cover version of the Technotronic hit "Pump up the Jam".

The first single, "Another Night" was only a minor hit in Europe, barely making it into the top 100 in several European countries.

In 2001, he produced the German boy band B3 in collaboration with the Berman Brothers and the German-based production company Maxi-Media.

In 2003, they produced and wrote the hit "Ab in den Süden" performed by their artist Buddy.

As of 2006, Jeglitza has been working for several national and international labels as a producer, songwriter, publisher, and A&R adviser.

[6] In 2007, his new label Phears Music was launched, and the Real McCoy single "People Are Still Having Sex", a cover of the song by William David LaTour, was released.