Guitar,Piano,Vocal,Voice - Level 4 - Digital Download SKU: A0.1196258 By Charlie Parker. By Lorenz Hart and Richard Rodgers. Arranged by John Fries. 20th Century,Broadway,Jazz,Musical/Show,Standards. Score. 1 pages. John Fries #795412. Published by John Fries (A0.1196258). Please contact me by email at jfries@ptd.net to make a special request or to find out all that I have to offer and to express your comments or concerns.  You can also type John Fries in the searchbar to see all I have to offer.   I Didn't Know What Time It Was is a popular song composed by Richard Rodgers with lyrics by Lorenz Hart for the 1939 musical Too Many Girls. Early hit versions were recorded by Benny Goodman (vocal by Louise Tobin) and by Jimmy Dorsey (vocal by Bob Eberly).