Source: When Shiva turned
Saint Namadev was one of the greatest saints of the Land of Bharat who hailed from the state of Maharashtra and showed the path of Nama Sankirtan. Here is an interesting incident in the life of Namadev –
Once Namadev was travelling to Gujarat where he was close to the temple town of Nageshwar. This town houses the famous Shiva temple which is one of the 12 Jotirlinga Kshetras. It was the auspicious day of Shivaratri and a huge number of people thronged to the temple to have darshan of Lord Shiva. Surrounded by a host of devotees, Sant Namadev stood at the entrance of the temple and lost himself in Nama Sankirtan (singing the Divine Names of the Lord). As the crowd swelled, the temple authorities tried to drive away Namadev and his devotees and objected to their Kirtan. At once, Namadev abided by the words of the temple priests and stepped away from the entrance. However, how could they stop their Nama Sankirtan? They moved towards the back side of the temple and continued with the Kirtan.
At that very moment, Lord Shiva turned Himself around in order to listen to Namadev's Nama Sankirtan! Even today, Shiva's vehicle - Nandi - in that temple is located on the back side of the temple!
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
When Love towards Archavataram (God in form of deity in temple) becomes complete, Bhagavan also completely transcends the limitation of being a 'stationary' deity and starts playing with the devotees.