$ convert -size 400x140 -font "AvantGarde-DemiOblique" -pointsize 14 -fill black -antialias -alpha set -transparent white -annotate +20+20 "OverlayText"  xc:white white_text.png
$ composite white_text.png 48572-1.jpg -tile -compose Atop -dissolve 15% overlay_test.jpg