The organ in the Ols Kirke was built by the organ-building firm I. Starup & Søn in 1950. The firm was led by Axel Starup at the time, who had taken over the business in 1923. The organ was designed in collaboration with architect Viggo Hardie-Fischer, who also oversaw the restoration of the church between 1950 and 1952.

In 1977, the same company, I. Starup & Søn, refurbished the organ, focusing on repairing the mechanics and valves. Following a fire in the church in 2007, the organ was once again restored, this time by Sven Hjorth Andersen, who replaced the blower, cleaned the organ after the fire, and leveled it to ensure proper function. The organ, with its history of restoration and care, remains an integral part of Ols Church's musical tradition.

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