All of Emery Gischler’s music can be found on his bandcamp page here:

https://emerygischler.bandcamp.com/

You can listen to some samples here though, the sheet music will also be included if there is any.

Cello Sonata:

                                                                    The Explorer:

https://emerygischler.bandcamp.com/track/the-explorer

Pdf Files:

The Explorer

Cello Sonata copy