Letter (paper size) "official" "Government Letter" size, , was used in government, while paper was standard in most other offices. In the U.S., paper density is usually measured in "pounds per ream" (of 500 sheets). Typical Letter paper has a basis weight of paper of – the weight of 500 sheets (a ream) of paper at and at 50% humidity. One ream of 20-pound Letter-sized paper weighs , and a single Letter-sized sheet of 20-pound paper weighs , which is equivalent to 75.19 g/m. Some metric information is typically included on American ream packaging. For example, 20-pound paper is also labeled as 75
T.B. Sheets T.B. Sheets "T.B. Sheets" is a blues-influenced song written and recorded by Northern Irish singer-lyricist Van Morrison, recorded for the Bang Records label in 1967 and included on his first solo album, "Blowin' Your Mind!". It later appeared on the Bang compilation, "T.B. Sheets". "T.B. Sheets" was recorded on 29 March 1967 at A & R Recording Studios In New York City with Bert Berns as producer. Morrison had intended to record it in one take, but there were two takes recorded that day. There is a long-standing, but perhaps apocryphal, story of Morrison's emotional state during the song's recording.