| plot line | song | episode |
| Rachel auditions for glee singing... | |
| Will decides to become an accountant singing... | |
| Finn leaves Rachel at bowling and she sings... | |
| Kurt tell Mercedes he's not interested leading her to sing... | |
| Kurt uses this song in football practice | |
| Rachel quits Glee club when Tina sing 'her' solo... | |
| April and Will sing this song at on Bingo night | |
| Finn shares some 'vitamin D' with the boys who then sing a mass up of It's my life and...... | |
| Sue's kids and Will's kids sing this together between rehearsals | |
| Everyone finds out Quinn is pregnant so to support her everyone sings... | |
| Emma wants this song for her wedding with Ken | |
| Rachel tells Puck she only dates guys who sing solos so he sings... | |
| Burt complains when his son is not allowed to sing this song | |
| Rachel falls in love with Will after they sing... | |
| Quinn is kicked out of home after Finn sings... | |
| Will is worried by Jane Adam's Girl Choirs version of... | |
| Quinn and Puck babysit Kendra's children and to make them sleep sing... | |
| While staring in a mattress commercial the New Directions sing... | |
| Rachel agrees Mercedes should sing the solo at sectionals after her rendition of... | |
| Finn returns to Glee club and they perform this group number at sectionals | |
| After being dumped by Finn, Rachel meets Jesse at the library and they sing | |
| Threatened by Jesse joining New Directions, Mercedes and Kurt join Cheerios and sing.. | |
| Will meets April at a roller rink where they sing.. | |
| As Finn and Kurt think about living together they sing | |
| Trying to be bad Artie and three others sing this song in the library | |
| After the Run Joey Run argument, Jesse and Rachel sing this while doing ballet | |
| Trying to regain popularity and woo Mercedes, Puck sings this with Mercedes | |
| Jealous of Burt's relationship with Finn, Kurt has a makeover and sings | |
| Jesse plays a tape from Shelly to Rachel where Shelly sings | |
| Artie can't dance so asks Tina to dance with Mike while he sings | |
| While the girls and Kurt sing Lady Gaga, the other boys explore theatricality by singing | |
| Rachel meets her mother and they sing | |
| Will seduces Sue by singing... | |
| With the help of her pregnant friends Quinn sings... | |
| Puck, Finn and Mercedes sing this thinking it is a Funk song | |
| After learning that their club will be disbanded the New Directions sing this to Will | |
| On learning that they have another year Will sings this song with Puck | |
| Finn persuades Sam to audition after hearing him sing | |
| In defence of herself after sending Sunshine to a crack house Rachel sings | |
| While under her first general anaesthetic Brittany sings | |
| Rachel apologises to Finn for her jealousy over his re-joining the football club by singing | |
| When everyone is discussing faith Puck sings another song by a Jewish artist... | |
| Mercedes sings this as part of her church choir | |
| In an attempt to lose the singing competition Rachel and Finn sing | |
| Kurt Duets with himself by singing | |
| Mercedes plays Frank-N-Furter singing | |
| Emma helps Will rehears and gets steaming while singing | |
| Kurt visits Dalton Academy on a spy mission and watches Blain sing | |
| The girls sing a mash up of Livin' on a Prayer and | |
| Holly sings this song to help her class learn grammar | |
| Under a flu delusion Will images singing this while dancing with Mike | |
| Sue sings this song with her mother | |
| Finn dedicates this song to his new brother Kurt | |
| Rachel suggests Kurt auditions for a regionals solo by singing | |
| Santana is given the lead vocal during this sectionals song | |
| Kurt helps Blain practice a duet for the Christmas concert singing | |
| Becky remarks that 'Christmas came anyway coach' after hearing New Directions singing | |
| To make Finn jealous Rachel sings this song with Puck | |
| During half time, the Titans and New Directions sing a mash up of Thriller and | |
| Rachel and Mercedes diva off singing | |
| Lauren sings this as her first solo | |
| At her house party, Rachel sings this song with Blaine | |
| While drunk Brittany leads the assembly performance of | |
| Holly helps Santana and Brittany sing this song about their feelings | |
| Emma sings this song with the celibacy club believing it to be about a desert | |
| Rachel's second attempt at song writing is titled | |
| Blaine falls for Kurt after hearing his moving rendition of this song | |
| Santana writes this song about Sam | |
| Mike performs this at the 'Night of Neglect' fundraising concert | |
| Mercedes closes the concert by singing | |
| As they say goodbye to Kurt, Dalton Academy sing | |
| Happy to be back, Kurt sings | |
| As their relationship is put under pressure, Finn and Quinn duet with | |
| Santana sings this song to Brittany in private | |
| Rachel is surprised when Jesse joins her while singing | |
| Trying to win back Brittany, Artie sings | |
| Santana auditions for a solo in nationals by singing | |
| Kurt and Finn arrange for the New Directions to sing this in memory of Jean | |
| To help Rachel choose between Finn and stardom, Kurt and Rachel sing | |
| Staring in the musical CrossRhodes, Will rehearses his song | |