* Musicnotes.com: This website offers a downloadable PDF version of the "True Light" piano sheet music, arranged by Carol Tornquist, for $4.95.
* Sheet Music Plus: You can purchase a digital download or printed copy of the "True Light" piano sheet music, arranged by John W. Peterson, for $3.99 on Sheet Music Plus.
* Alfred Music: Alfred Music publishes a "True Light" piano sheet music collection as part of their "Easy Piano Solos" series, which includes 10 other contemporary Christian songs. You can find this collection at various music retailers or online for around $6.95.
* Hal Leonard: Hal Leonard also publishes a "True Light" piano sheet music arrangement as part of their "Easy Piano Favorites" series. This arrangement is available for purchase on Hal Leonard's website or at music retailers for approximately $4.99.
Remember that the availability and price of sheet music can vary depending on the source, so it's a good idea to compare prices and check for any special offers before making a purchase.