diff --git a/pwm_strings.vcv b/02-pwm_strings.vcv
similarity index 100%
rename from pwm_strings.vcv
rename to 02-pwm_strings.vcv
diff --git a/random_s+h_melody.vcv b/03-random_s+h_melody.vcv
similarity index 100%
rename from random_s+h_melody.vcv
rename to 03-random_s+h_melody.vcv
diff --git a/modal_synthesis.vcv b/04-modal_synthesis.vcv
similarity index 100%
rename from modal_synthesis.vcv
rename to 04-modal_synthesis.vcv