: This is the primary destination for legal archival downloads. You can search for terms like "ITV 2015 Continuity" or "ITV Adverts 2015." For example, the Internet Archive's TV Adverts collection hosts thousands of broadcast clips, many of which can be downloaded as MP4 or converted to MP3.
: Many enthusiasts upload high-quality compilations. For instance, there are entries for ITV Adverts and Continuity from early 2015 and mid-2015 . While YouTube doesn't have a built-in MP3 "download" button, these videos provide the most comprehensive visual and audio record of the 2015 continuity.
: If you're looking for clean versions of the music used in these idents (without the announcer talking over them), community forums like TV Forum or its successors often have threads where members share high-quality audio rips or recreations.
The file size you mentioned (26.16 MB) is very specific. If you saw this on a third-party "free music download" site, be cautious. These sites often use fake file sizes as "clickbait" to get users to click on advertisements or download potentially harmful software. It is always safer to use a verified archive like the Internet Archive .
Searching for specific MP3 files often leads to archival sites or community-driven video platforms where broadcast enthusiasts share clips of "continuity"—the announcements, idents, and ad breaks used to transition between programs. Where to Find ITV Continuity 2015