Learn Tajweed with Yasir Qadhi - The Noble Emissaries (As-Safara Al-Keram)
Episode 9 -- Tafkheem II
A series about 'tajweed' and the art of reciting the Qur'an
(youtube by : khalifahklothing - here)
ر -- Can be tafkheem or tarqeeq, based on the following rules.
* ر is tafhkeem when there is a fat'ha or dhamma on it, or when it is silent but preceded by a fat'ha or dhamma.
*ر is tarqeeq when there is a kasrah on it or when it is silent but preceded by a kasrah.