want to operate wav file in loop along with other operations

guys i am new to arduino and have made attached program.
i want to operate servos connected to pin 6 and 7 and relay switch connected to pin 5 which work perfectly fine when i dont interface sd card module.
now i want to interface sd card module such that the sound track on the sd card will keep on playing until the whole loop is completed and the sound track will restart again for second loop. please can some one help me with programing

Servo_sound.ino (1.34 KB)