#include "music.h"
#define array_length(x) (sizeof(x) / sizeof(x[0])) //macro to calculate array length

#define variable "starwars"

void setup() {
Serial.begin(115200);
delay(1000);

uint32_t filesize = array_length(starwars);//total 5 type of display page)
Serial.printf("Bytes array length = %d\n",filesize);
Serial.printf("const uint8_t %s[%d] PROGMEM = {0x00,....}\n",variable,filesize);

}

void loop() {
  // put your main code here, to run repeatedly:
yield();
}