Jay Z is to pay half the royalties from one of his songs to a Swiss jazz musician.

The 45-year-old rapper has agreed to make payments to 79-year-old Bruno Spoerri for using his instrumental 'On the Way' in his track 'Versus' without seeking permission.

The agreement marks the end of an 18-month legal dispute over the track.

Jay - who has three-year-old daughter Blue Ivy with wife Beyonce - initially denied using the music at first but has now admitted he did so without attribution.

According to website The Local, Bruno - who composed 'On the Way' in 1978 - initially rejected an earlier offer to settle the dispute because he felt the payment was too low, but has confirmed the matter has now been resolved.

Last month, Jay was the subject of another legal dispute when a man filed documents claiming to be his son.

Rymir Satterthwaite claims his mother hooked up with the rap mogul in the early 90s but he has been unable to prove the '99 Problems' hitmaker is his father because he has blocked his efforts to do so.

According to a civil lawsuit, written by 21-year-old Rymir's legal guardian Lillie Coley, Jay submitted fraudulent information to the court to deliberately quash the paternity claim, which is believed to be a fake address.

Court papers show Wanda Satterthwaite first named Jay - whose real name is Shawn Carter - as her son's possible father after Robert Graves, who was believed the be the aspiring rapper's dad since birth, undertook a DNA test which showed he had no biological connection to Rymir.

Wanda made a bid to have Jay submit to a DNA test but he won a court battle by arguing there was no ''extraordinary cause'' involved.