I'll Be Seeing You

Written by Sammy Fain, with lyrics by Irving Kahal, I'll Be Seeing You is a popular song (1938) from the Broadway musical Right This Way, which closed after fifteen performances. The song was used in several movies and television shows, and Bing Crosby's recording was featured in the 1944 movie also titled I'll be Seeing You, starring Ginger Rogers and Joseph Cotten.

That Crosby recording became a number one hit in July of 1944. Many singers have covered I'll Be Seeing You, including Frank Sinatra who recorded multiple versions.

Tutorial 

Version 1  from book The Broadway Collection

•  At Tempo, then Slow

Sheetmusic

• Try a GoogleImage search, matching the first line usually works 

Version 2  from book (150 Most Beautiful Songs Ever)

• At Tempo

• Slow