import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtMultimedia import QMediaPlayer, QMediaPlaylist, QMediaContent
from PyQt5.QtCore import QUrl

if __name__ == '__main__':

    app = QApplication(sys.argv)

    w = QWidget()
    w.resize(250, 150)
    w.move(300, 300)
    w.setWindowTitle('Simple')
    w.show()
    player = QMediaPlayer()
    
    source = u'C:\\Users\\Admin\\Desktop\\sample-3s.wav'
    player.setMedia(QMediaContent(QUrl.fromLocalFile(source)))
    player.play();
    sys.exit(app.exec_())