{{Lyrics
| group         =[[SWING HOLIC]]
| group_en      =SWING HOLIC
| titlejp       =
| titlerom      =
| titleen       =Knock ! Knock ! Knock !
| length        =04:11
| arranger      =Swing Holic Band
| lyricist      =A{{lang|ja|～}}YA 
| vocalist      =A{{lang|ja|～}}YA 
| other_staff   =
| source        =
*source: Original
| eng_only      =
| untranscribed =
| unromanized   =
| untranslated  =
| album1        ={{LyricAlbum|SWING HOLIC VOL.07|SWHC-0007.jpg}}
| lang          =
| kan1          =
合図は完璧よ　飾りが足りないの
上手くは言えないの　シュールはいらないわ
| kan2          =
ライトが足りないの　１人じゃ出来ないの
答えは知らないの　偶然叶えたら
| kan3          =
狂ったアクセルが残像を
荒らして荒らして振り回していた
刻みこまれてた傷は…
| kan4          =
囚われていたって　盛り上がれ怒って
外れていたって　感情旋
目覚めてからって　気付いてからって
果てしなくたって
{{lang|en|Don’t look back keep going on!
I know what I want!}}
| kan5          =
周りが見えないの　１人じゃ出来ないの
答えを教えてよ　偶然叶えたの
| kan6          =
セリフは苦手なの　嘘よりリアルなの
音には出来ないの　偶然叶えたら…
| kan7          =
すれ違う人達に残響を
鳴らして鳴らして振り回していた
刻み込んでいった傷も
| kan8          =
思い込んだって　隠していたって
零れてきちゃって　平行線
それでも縋って　ここが痛いって
吠えていたくて
{{lang|en|Don’t look back keep going on!
I know what I want!}}
| kan9          =
かすれた景色１人　たたずむ場所に光
重なり合えば２人　ココロ騒ぎはじめた
| kan10         =
目覚めてくだけ　走ってくだけ
変わってくだけ　変動旋
囚われていたって　盛り上がれ怒って
外れていたって　感情旋
| kan11         =
思い込んだって　感じていたって
零れてきちゃって　平行線
それでも縋って　ここが痛いって
吠えていたくて
{{lang|en|Don’t look back keep going on!
I know what I want!
Knock knock knock on my heart!}}

| rom1          =
aizu wa kanpeki yo kazari ga tarinai no
umaku wa ienai no shuuru wa iranai wa
| rom2          =
raito ga tarinai no hitori ja dekinai no
kotae wa shiranai no guuzen kanaetara
| rom3          =
kurutta akuseru ga zanzou o
arashite arashite furi mawashiteita
kizami komareta kizu wa…
| rom4          =
torawareteita tte mori agare okotte
hazureteita tte kanjou sen
mezamete kara tte kidzuite kara tte
hate shinaku tatte
''Don’t look back keep going on!''
''I know what I want!''
| rom5          =
mawari ga mienai no hitori ja dekinai no
kotae o oshiete yo guuzen kanaeta no
| rom6          =
serifu wa nigate nano uso yori riaru nano
oto ni wa dekinai no guuzen kanaetara
| rom7          =
surechigau hitotachi ni zankyou o
narashite narashite furi mawashiteita
kizami kondeitta kizu mo
| rom8          =
omoi konda tte kakushiteita tte
koborete kichatte heikousen
sore demo sugatte koko ga itai tte
hoeteitakute
''Don’t look back keep going on!''
''I know what I want!''
| rom9          =
kasureta keshiki hitori tatazumu basho ni hikari
kasanari aeba futari kokoro sawagi hajimeta
| rom10         =
mezamete ku dake hashitte ku dake
kawatte ku dake hendou sen
torawareteita tte mori agare okotte
hazureteita tte kanjou sen
| rom11         =
omoi konda tte kakushiteita tte
koborete kichatte heikousen
sore demo sugatte koko ga itai tte
hoeteitakute
''Don’t look back keep going on!''
''I know what I want!''
''Knock knock knock on my heart!''

| eng1          =
The signs are perfect, the decorations are lacking
I can’t say it well, I don’t need anything surreal
| eng2          =
There isn’t enough light, I can’t do this alone
I don’t know the solution, if by chance it can come true…
| eng3          =
The crazy accel had wrecked
and showed off again and again the afterimages
In regard to these etched wounds…
| eng4          =
You say you’ve been caught, I swell in anger
You say you’ve been disconnected, feelings go around
You say after you woke up, you say after you realized
Even if there’s no end
''Don’t look back keep going on!''
''I know what I want!''
| eng5          =
I can’t see my surroundings, I can’t do this alone
Tell me the answer, by some chance it could come true
| eng6          =
I’m bad when it comes to lines, they’re more real than lies
I can’t put it into sound, if by chance this can comes true…
| eng7          =
We had rang to the people passing by
and showed off again and again an echo
and these etched wounds as well
| eng8          =
You say you’ve been under an impression, you say you’ve hidden things
but it all ended spilling out, it’s a parallel line
But even so you cling on, and say this place hurts
I want to roar out
''Don’t look back keep going on!''
''I know what I want!''
| eng9          =
Alone the scenery was blurred, there was light in the spot where I stand still
If we came together it was us two, my heart began to swoosh
| eng10         =
Just wake up, just run off
Just change, change around
You say you’ve been caught, I swell up in anger
You say you’re disconnected, feelings go around
| eng11         =
You say you’ve been under an impression, you say you’ve hidden things
but it all ended spilling out, it’s a parallel line
But even so you cling to this, and say this place hurts
I want to roar at you
''Don’t look back keep going on!''
''I know what I want!''
''Knock knock knock on my heart!''

| lyrics_source =[https://amentranslations.wordpress.com/2014/07/16/knock-knock-knock/ Translation] by [https://amentranslations.wordpress.com/ Amen]
| notes         =
| extra_info    =[https://amentranslations.wordpress.com/ Translator] note: I had thought that {{lang|ja|アクセル}} meant something like a wheel axle at first, but that doesn’t seem to show up in a dictionary, so the closest thing I can think of is “accelerator,” or “accel” for short, as I have it. Another thing is that at the final stanza, {{lang|ja|感じ}} is written where 隠し is sung, so I treated it as a typo.
}}