P divided by 6 algebraic expression

Which of the following composers was spanish a. lassus b. victoria c. tallis d. palestrina

Natural minor half steps between scale degrees 3 and 4; 7 and 8 harmonic minor half steps between scale degrees 2 and 3; 5 and 6 ascending melodic minor half steps between scale degrees 2 and 3; 5 and 6; 7 and 8 major half steps between scale degrees 2 and 3; 7 and 8

This painting is by james whistler, and is entitled, symphony in blue and pink. what is the subject matter of this piece?