Songs
- Timeless (duet with Kelly Clarkson)Justin Guarini feat. Kelly Clarkson
- Unchained MelodyJustin Guarini
- Get HereJustin Guarini
- Doin' Things (We're Not Supposed To)Justin Guarini
- Inner ChildJustin Guarini
- Be A HeartbreakerJustin Guarini
- Condition Of My HeartJustin Guarini
- How Will You KnowJustin Guarini
- SorryJustin Guarini
- My Funny ValentineJustin Guarini
- Thinking of YouJustin Guarini
- If You WannaJustin Guarini
- I Saw Your FaceJustin Guarini
- One Heart Too ManyJustin Guarini
- Stand with MeJustin Guarini, Margo Seibert, Ariana DeBose & Zoe Sarnak
- Good StuffJustin Guarini
- Choosing Not to Know [From "In Transit: Broadway's First A Cappella Musical"/Original Broadway Cast Recording]Justin Guarini & The Original Broadway Cast of In Transit
- Four Days Home [From "In Transit: Broadway's First A Cappella Musical"/Original Broadway Cast Recording]Justin Guarini, Telly Leung & The Original Broadway Cast of In Transit
- Another AutumnJustin Guarini
- FinalettoJustin Guarini;Nathaniel Hackmann
- Carino MioJustin Guarini;Alexandra Socha
- I Talk to the TreesJustin Guarini;Alexandra Socha
- SingJustin Guarini
- All of You (feat. Greg Gordon Smith)Justin Guarini
- Young and FoolishJustin Guarini
- I Love You (feat. Katisse Buckingham)Justin Guarini
- I Didn't Know What Time It WasJustin Guarini
- I'll Take Romance (feat. Greg Gordon Smith)Justin Guarini
- Just Squeeze MeJustin Guarini
- Night and Day (feat. Katisse Buckingham)Justin Guarini
- For Once In My LifeJustin Guarini
- Get HereJustin Guarini