Use of the DFE reflects the higher bioavailability of synthetic folic acid found in supplements and fortified food compared to that of naturally occurring food folates (18). 1  1 microgram (Î¼g) of food folate provides 1 Î¼g of DFEs. 2  1 Î¼g of folic acid taken with meals or as fortified food provides 1.7 Î¼g of DFEs.
The Four Seasons (Complete)Vivaldi cast The Four Seasons in the form of four concertos for solo violin and string orchestra. Concertos are designed to feature an instrument which not only enjoys an especially prominent role but plays technically brilliant, or virtuosic, passages.
The Seasons, Op. 37a, is a set of twelve short character pieces for solo piano by the Russian composer Pyotr Ilyich Tchaikovsky. Each piece is the characteristic of a different month of the year in the northern hemisphere. The work is also sometimes heard in orchestral and other arrangements by other hands. Individual excerpts have always been popular â Troika was a favourite encore of Sergei Rachmaninoff, and Barcarolle was enormously popular and appeared in numerous arrangements.