Here is the Ganesh Chalisa, a Hindu devotional hymn dedicated to Lord Ganesha, the remover of obstacles:
॥ Doha ॥
Namo sumirat siddhi karat tiharo।
Namah te jay namah te omkaro॥
॥ Chaupai ॥
Jai Ganapati sadgun sadan।
Kavivar badan kripal kanan॥
Kundal shobhit kati kati sohe।
Sobhit tab gale kundal naagphani sohe॥
Anga upta sindur biraje।
Pitambar sohe mohe baaje॥
Ashtbhuja saja prachand chhavi।
Kundal shobhit chapakar trishul chhavi॥
Sobhagya chavi madan kar sohe।
Bhala chandra sohat nayan sohe॥
Ashtami roop nanadan sujaan।
Kripalu anupam kamal-nayan॥
Nish-din dhyaavat harat nisa-din।
Tan man dhan sab kuchh hoya din-din॥
Jai ganesh ganesh ganesh gani।
Sukh sampati kije sarv kalyani॥
॥ Doha ॥
Jay jay jay ganapati sohe।
Jay jay jay ganapati sohe॥
Note: The Ganesh Chalisa is typically written in Hindi or Sanskrit, and the above version provides an approximate translation into English. The pronunciation and meter may vary in different renditions.