#1)  /var/www/bin/ffmpeg -i "stockvideo/intro.mp4" -i "gray.png" -i "'emailer/images/users/default_thumb.jpg'" -filter_complex "[0:v][1:v] overlay=75:255:enable='between(t,3,30)':[vid1];" -y step1.mp4

#2) /var/www/bin/ffmpeg -i "step1.mp4" -async 1 -vf "[in]drawtext=enable='between(t,3,30)':fontfile=fonts/OpenSans-Semibold.ttf: text='Bob Salesguy': x=95: y=260: fontcolor=white: fontsize=16: box=0: boxcolor=0x00000000@0:, drawtext=enable='between(t,3,30)':fontfile=fonts/OpenSans-Semibold.ttf: text='Marketing Department': x=95: y=280: fontcolor=white: fontsize=16: box=0: boxcolor=0x00000000@0:, drawtext=enable='between(t,3,30)':fontfile=fonts/OpenSans-Semibold.ttf: text='MediaSales Co.': x=95: y=300: fontcolor=white: fontsize=16: box=0: boxcolor=0x00000000@0:[out]" -y step2.mp4

#3) /var/www/bin/ffmpeg -i "step2.mp4" -i 'emailer/images/users/default_thumb.jpg' -filter_complex "[0:v][1:v] overlay=10:255:enable='between(t,3,30)':" -y step3.mp4

#4) /var/www/bin/ffmpeg -i "/var/www/html/emailer/audio/template_1/a" -i "step3.mp4" -filter_complex "[0:a]amix=inputs=2,pan=stereo:c0=c0+c1:c1=c0+c1,adelay=3000|3000" '/var/www/html/emailer/output/template_1/finished.mp4' 2>&1