I think the song is called how do you do? The song kind of goes like" how do you do, and then we then we could na na na... just like before and then we could na na na? Please help me find the artist :)

How Do You Do
Mouth & McNeal

{male} once I said I wanted you I don't remember why.
I often wonder if it's true that you could make me cry.
I only know it's long ago you said: I love you too.
But I got one solution left we're going to start anew.
{female} how do you do hhmm hhmm I thought why not
Na-na na-na
[just me and you and then we can
Na-na na-na]
Just like before and you will say
Na-na na-na
[please give me more and you will think
Na-na na-na}
Hey that's what I am living for.
{male} how do you do hhmm hhmm I thought why not
Na-na na-na
[just me and you and then we can
Na-na na-na]
Just like before and you will say
Na-na na-na
[please give me more and you will think
Na-na na-na}
Hey that's what I am living for.
{female}
Once I said I wanted you and I remember why
I often wonder why it's true you still can myke me cry.
{male}
And now it's not so long ago you said: I love you too.
'cause I got one solution left and that's to start anew.
{female}
How do you do hhmm hhmm I thought why not
Na-na na-na
Just me and you and then we can
Na-na na-na]
Just like before and you will say
Na-na na-na
Please give me more and you will think
Na-na na-na
Hey that's what I am living for.
{male}
How do you do hhmm hhmm I thought why not
Na-na na-na
[just me and you and then we can
Na-na na-na]
Just like before and you will say
Na-na na-na
[please give me more and you will think
Na-na na-na}
Hey that's what I am living for.
{female}
How do you do hhmm hhmm I thought why not
Na-na na-na
{male}
[just me and you and then we can
Na-na na-na]
{female}
Just like before and you will say
Na-na na-na
[please give me more and you will think
Na-na na-na}
{both}
Hey that's what I am living for.
How do you do hhmm hhmm
{la's until last line)
Hey that's what I am living for.
How do you do hhmm hhmm
{la's until last line)
Hey that's what I am living for.
How do you do hhmm hhmm
{la's until last line)
Hey that's what I am living for.
[fade]