The tribute was in allegiance to Leicester City who is owned by Thai billionaire businessman, Vichai Srivaddhanaprabha.
Leicester City owner Vichai Srivaddhanaprabha is a Thai billionaire businessman and in honour of his country, Musa and his teammates are paying tribute to the late King Adulyadej.
Adulyadej was the world longest reigning Monarch before he died.
In a photo shared by Srivaddhanaprabha on his Instagram, the Nigeria international is seen kneeling down alongside his teammates and manager, Claudio Ranieri.
“Your loyal subject is most grateful for Your Majesty's boundless and gracious kindness,” the Thai Leicester City owner wrote.
“I offer my heartfelt condolences on the passing of His Majesty King Bhumibol Adulyadej. I am Vichai Srivaddhanaprabha and Leicester City Football Club.”
After their Champions League, 1-0 victory over København, Musa and his teammates will be looking to get their Premier League campaign on track when they host Crystal Palace on Saturday, October 22.