Al-Salsabil Al-Shafi is an advanced and comprehensive treatise on the science of tajweed, designed for students who have mastered the basic principles and are ready to delve into the finer details of Quranic recitation. This scholarly work provides in-depth analysis of complex tajweed rules, advanced pronunciation techniques, and the subtle nuances that distinguish excellent recitation from merely good recitation. The course covers advanced topics including detailed study of letter characteristics (sifat), complex rules of elongation (madd), intricate stopping and starting rules (waqf and ibtida), and the relationship between tajweed and the meaning of Quranic text. Students will develop mastery over the most challenging aspects of Quranic recitation, including proper handling of difficult letter combinations, advanced rhythmic patterns, and the spiritual dimensions of beautiful recitation.