As far as Islamic Shari`ah is concerned, it is makrooh (reprehensible) to sing the adhan in the sense of elongating the words excessively without changing the meaning. If the meaning is changed, then it becomes haram (forbidden) and the adhan is not correct in this case.
Singing the Adhan
Did you like this content?
Recommended
Islamic View on Marrying Cousins
Istikharah prayer on marriage: signs of response
Planning for Future & Belief in the Unseen: Incompatible?
Why should anyone choose Islam?
Unique Features of Islam
Understanding Self-Worth and Patience in the Face of Adversity: A Spiritual Perspective
The Authority of the Sunnah
Guide for Righteous Merchants
Use of Power and Its Relation to Corruption in Islam
Why Islam Forbids Homosexuality
Top Reading