Brinsley Schwarz, the band, may be best-remembered today as the launching pad for singer-songwriter Nick Lowe and as a prime exemplar of the U.K. pub rock scene.  The band’s studio albums, though, reveal diverse influences and a vibrant sound that more than holds up today.  In recent months, Cherry Red’s Lemon Recordings imprint brought together the band’s seven albums plus more than 60 bonus tracks on the whopping 7-CD box set Thinking Back: The Anthology 1970-1975. Guitarist Brinsley Schwarz and bassist Nick Lowe had known one another since their school days in…