prayer-song to HaShem is my life!

tehilim 42:9 "tefila l'kel chaiyai"... prayer to HaShem is my life (rebbe nachman of breslev)
"tefilah"= 515= "shirah" (in gematria, prayer=song, from rav avraham trugman)... so
prayer/song to HaShem is my life!