By Lehlohonolo Lehana.

Picture: Twitter.

The music producer and songwriter' Marc Rantseli, of the band duo, Marc Alex, has died at the age 58.

Rantseli passed away on Thursday morning in hospital after a short illness.

According to his brother Alex Rantseli, Marc was admitted to the hospital two weeks ago due to high blood pressure. This lead to pressure on his brain resulting in his death.

He said when he visited him on Wednesday night, 8 November he was no longer himself.

"The signs were there that he was fine, but I felt like something was different until I got a call that he had passed away," he said.

Rantseli is one half of the dynamic duo MarcAlex that gained popularity in the 1980s for their song 'Quick Quick'.

The duo, who hailed from Diepkloof, Soweto, won the OKTV Awards for Best Newcomer in 1988 and their song Heartbreakin' Love went to No 1 on the 5FM and Radio Metro charts.

In 1989, their hit song Quick Quick went to No 1 on the South African music charts.

Boys B Boys followed in 1990, with reworked versions of (some of) the original tunes appearing via ATCO Records and PWL Records that same year on their international and equally eponymous debut.

Marc also spent a few years working at the Southern African Music Rights Organisation (Samro) advocating for the rights of musicians in the country.

He is survived by two children.

His death left a sad note in the hearts of music lovers all over the world and many sent their tributes on social media.