Reviewers have noted that Lessons Learned serves as a "deeply personal and sonic journey". While some critics found the album's lack of commercial "hooks" meant the songs were built more for mood than radio play, "What'll I Do" is often highlighted as a successful example of De Leo’s "crafty and accomplished" fingerstyle guitar work.
: The lyrics use imagery like "standing in the rain all alone" to convey isolation and reflection. Robert De Leo - What'll I Do (feat. Johnny Irion) (Audio)
: Acoustic-driven folk and roots, departing from the heavy riffs and distortion of STP in favor of "lush acoustic layering" and introspective themes. Production & Credits Reviewers have noted that Lessons Learned serves as
: Music and lyrics, bass, all guitars (including acoustic and electric), and tambourine. Johnny Irion : Lead vocals. Additional Musicians : Eric Kretz : Drums (recorded at Bomb Shelter Studios). Matt Rohde : Piano, Wurlitzer, and Hammond B3. : Acoustic-driven folk and roots, departing from the
De Leo served as the primary songwriter and producer for the track, handling a wide array of instrumental duties.