Task: I want to send an audio file with the title  of "Birthday Song" to giorgio.rossi196503@gmail.com  through the Gmail app using the Recorder app.
Steps:
click on the share Icon (three circles connected together by a line at an angle ) at the top of the screen to share an audio 
from pop up windown Select File option button at the bottom of the screen
select First option ( Audio) from pop up window at the bottom of the screen 
select next button at the lower right corner of the screen to share an audio 
choose G mail button at the bottom of the screen from Near by pop up window 
type giorgio.rossi196503@gmail.com at the top second column of the screen 
click on the arrow icon ( send button ) at upper right of the screen to share an audio