http://radioactiveinternational.org/wp-content/uploads/2016/03/GrooveOnTheWireless145.mp3 Doctor Groove was deeply saddened by the passing of Phife Dawg at the age of 45; a rapper from the group Tribe called Quest.  Hence the first half of the show is given over to Tribe Called Quest at the height of their powers in 1991- 93, when they were untouchable. The show has …