In a release, the family of the late musician said the funeral is open to the public but Robertson's cremation will be for family and close friends only.
Robertson, 63, passed away suddenly last Friday from a myocardial infarction induced by bi-pulmonary pneumonia.
The music communityhas been mourning his passing and as a result a number of events have been organised to pay tribute to the musical giant.
Today, Birdsong is hosting an event at its Tunapuna panyard from 7 pm called Remembering Raf - an open mic for reminiscing about Robertson's life and work as well as performing.
Robertson was the Musical Director of the birdsong Music Academy and their annual Christmas concert, Christmas in the Park, has also been dedicated to him.
Christmas in the Park takes place on Sunday December 13 at Auzonville Park, Tunapuna, from 6pm.
On Thursday December 10, the Kaiso Blues House at 85 Woodford Street, Port-of-Spain, will also host a memorial event from 8pm.
He was an arranger, composer, pianist and producer with more than 40 years of experience both locally and internationally.