4&13 Strings 4&20 4&20 Blues 4&4 Concerted Writing using Fourths 4&4 Concerted Writing with constant coupling 1 4&4 Concerted Writing with constant coupling 2 4&4 Concerted Writing with full doubling 4&4 Concerted Writing with variable coupling 1 4&4 Concerted Writing with variable coupling 2 4&4 Upper Strucure Triad Voicing 4&4 Using Clusters in Brass Counterpoint 4&T