Pinetop Sparks
... that not Memphis Slim but 1930s St. Louis blues pianist Pinetop Sparks wrote the blues standard "Every Day I Have the Blues"?
... that not <a href="./Memphis_Slim" id="mwBoI" rel="mw:WikiLink" title="Memphis Slim">Memphis Slim</a> but 1930s <a href="./St._Louis" id="mwBoM" rel="mw:WikiLink" title="St. Louis">St. Louis</a> blues pianist <b id="mwBoQ"><a href="./Pinetop_Sparks" id="mwBoU" rel="mw:WikiLink" title="Pinetop Sparks">Pinetop Sparks</a></b> wrote the blues standard "<a href="./Every_Day_I_Have_the_Blues" id="mwBoY" rel="mw:WikiLink" title="Every Day I Have the Blues">Every Day I Have the Blues</a>"?