All Divya Desams are One

When    Thirupathi  Perumal who is very fond of Songs Requested One of the Alvars Serving Sriranga Perumal to Compose a Song For Him, the Alvar Replied
 
Ranganay padhina vayala
Andha kurangay padha maten

Translation
What - Mouth Used to glorify Sri ranga
Will never glorify a Monkey Like You

As he Said These Offensive Words - He Experienced a Severe throat Ache,

Realizing that   Thirupathi Perumal and Srirangam Perumal as one
he asking forgiveness  composed several songs on Thirupathi Perumal