Golden Ratio = F13

144 - Golden Ratio = F13 is made with the Eta & Delta rhythmic unit. The song use the Fibonacci numbers represented in 4/4 bars having a sequence with the numbers 34 + 55 + 21 + 55 + 34 that is equals the Lucas number 199 having in the final and in the end a 34 divide in 2 that is equals to 233 or F13.