The Wall Street Journal reports that Spotify has raised $1 billion in convertible debt with this telling analysis:

Music-streaming site Spotify AB has raised $1 billion in convertible debt from investors, a deal that extends the money-losing company’s runway but comes with some strict guarantees, people familiar with the matter said.

Private-equity firm TPG, hedge fund Dragoneer Investment Group and clients of Goldman Sachs Group Inc. participated in the deal, which has been signed and is expected to close at the end of this week, these people said.

Tech startups are increasingly turning to convertible debt—bonds that can be exchanged for stock—as investors push back on rich valuations amid a volatile stock market and economic uncertainty.

By raising debt instead of equity, Spotify adds to its war chest without the possibility of setting a lower price for its stock, which can sap momentum and hamper recruiting.

That last…