Homemade synthesizer song, 3

Again I am using my telephone exchange step sequencer to control my XOR based drum synthesizer. But this time the bass is made a little different: Instead of just running forwards in the bass line, the analog sequencer goes forwards and backwards. In other words instead of 1234567812345678 it goes 1234567887654321. The melody and the solo is played on the analogue system with the switched capacitor filter as VCF. I use the same envelope, cutoff, and resonance settings for the melody and the solo but swit