The presently claimed invention relates generally to analyzing audio signals including analyzing streaming audio signals. One claim recites a method including: a) utilizing a programmed electronic processor, analyzing a streaming audio signal to extract identifying information therefrom, the identifying information being extracted from the audio signal through an analysis of data representing the audio signal; b) accessing a remote repository with the identifying information, the remote repository including a plurality of records that link identifying information to a pointer which identifies a remote computer; c) obtaining a pointer from the database with at least reference to the identifying information; and d) using the pointer to establish communication with the remote computer to obtain information associated with the audio signal. Of course, other claims and combinations are provided too.