Hi, I've not been to sessions in Birmingham for years so I can't vouch for quality but here's on and the website below should link to others.

Trad Arts Team Event TRADITIONAL MUSIC SESSION : Third Sundays at the Prince of Wales, Alcester Road, Bham. All musicians welcome. Contact 0121 449 3189.

http://www.tradartsteam.co.uk/about-folk-monthly.html

Cheers

Rich