https://www.onechord.net/2014/02/24/black-twig-heliogram/
Black Twig - Heliogram - One Chord To Another - A Finnish Pop Site
Feb 24, 2014 - Black Twig are on to something. Their new album Heliogram came out on Soliti a week or two ago and I like it much more than the debut. It's sweeter and more
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https://www.merriam-webster.com/dictionary/heliogram
HELIOGRAM Definition & Meaning - Merriam-Webster
The meaning of HELIOGRAM is a message transmitted by a heliograph.
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