I should like to say the following by way of introduction.

The second part of his introduction made no sense to me.

The company lost $8.8 million in the 15 months of the introduction.

That is what I wanted to say by way of introduction.

I gave her my business card by way of introduction.

I will give you a letter of introduction, with a phone number.

Indeed, he gave me a letter of introduction in case I went south.

I asked her to write me a letter of introduction to him.

His mouth was open, as though the words of introduction had failed him.

The earlier songs might almost be said to need a word of introduction.