What makes OK Not to Be OK by Marshmello notable?

'OK Not to Be OK' gained attention for its candid discussion of mental health issues, aligning with a broader cultural movement promoting mental well-being. The track's reception included praise from various music outlets for its relatable message, further solidifying Marshmello's impact on the EDM scene as an artist willing to address serious topics. By the time 'OK Not to Be OK' was released in September 2020, Marshmello had already established himself as a significant figure in EDM, following his commercial success with hits like 'Happier'. This single marked a continuation of his exploration into emotional themes, aiming to resonate deeply with listeners amidst the global challenges posed by the COVID-19 pandemic.