She left me on read song

A read with no reply means she saw it and chose not to answer in that moment. Look at what came before. If she has been replying warmly and quickly, a single unanswered song usually means the moment got away from her. If the conversation was already slow or she was short with you, the silence fits a lower level of interest. Also consider the time. A song sent late at night, or during a workday, often gets read and then forgotten, and that says more about her schedule than her feelings.

The question to ask yourself is whether anything in the last few exchanges gave her a reason to skip answering. If the conversation was going well and the song was just a fun addition, assume she got distracted. If you had been asking more of her than she was giving back, the silence is more of a signal about the balance. Either way, the read tells you she's seen your message, so the next move should be light.

One kind of reply comments on the song in a single line, with a real opinion or a question she can answer in a word. It's short and asks nothing heavy, so she can respond without thinking hard. The mark of this kind is that it reads like something you'd say out loud to her face. Leave out any second song, any apology for sending the first one, and any joke about her not replying.

A second kind moves the conversation somewhere new, away from the song. It picks up something she said earlier or something about her day, and it gives her a fresh thread to pull on. You can tell it's this kind because it doesn't mention the song at all. It should leave out any reference to the silence. A third kind is a light, funny nudge that's clearly a joke, not a complaint. It works when your earlier tone was playful. It should leave out anything that sounds hurt or sarcastic about the lack of reply.

If she is interested, a reply usually comes within a day or two. Wait at least a full day before you send anything else, and pick a time when she's likely free, like the evening rather than the middle of a workday. One follow-up is reasonable. Make it count by choosing the lighter kind of message above, not a repeat of the first.

If that gets no answer either, stop chasing for now. Two unanswered messages in a row is a clear signal she's not engaging, and a third will only make the next conversation harder. You can come back later with something new, like a reference to a plan or a question about something she mentioned, but give it at least several days. If she eventually answers, reply normally and don't mention the gap. If she never does, let the thread go.