[5] With bandmate Mike Rogers, Lefkowith made a significant impact on the smooth jazz scene with their group Le Sonic.
[6] The single "Any Moment", featuring guitarist Robert Lee, an original member of ?
& The Mysterians, topped the Billboard Smooth Jazz National Airplay charts in February 2022.
Following that, "I’ll Be The One," featuring Lauran Beluzo and Robert Lee, also reached the top of the same charts in October.
Lefkowith's most recent single "Riverside Drive," featuring Jim Hynes and Scott Kreitzer, has climbed up to number four on the Billboard Smooth Jazz charts as of 2023.