Question: Franklin Delano Roosevelt Wakefield, is an innovative American player, of which instrument, in the bluegrass music style, Wakefield is known for his collaborations with a number of important and well-known bands, including The Stanley Brothers?

<P0-S0> The Stanley Brothers were an American bluegrass duo made up of brothers Carter Stanley (1925–1966) and Ralph Stanley (1927–2016). <P0-S1>  Ralph and Carter performed as The Stanley Brothers with their band, The Clinch Mountain Boys, from 1946 to 1966. <P0-S2>  Ralph kept the band name when he continued as a solo after Carter's death, from 1967 until his own death in 2016. <SEP> <P1-S0> The Outer Drive Bridge, also known as the Link Bridge, is a double-deck bascule bridge across the Chicago River in Chicago, Illinois, United States. <P1-S1>  Construction was started in 1929 and was completed in 1937 as one of the Public Works Administration's infrastructure projects in Chicago. <P1-S2>  The bridge is officially named the Franklin Delano Roosevelt Memorial Bridge to honor the centennial anniversary of the birth of Franklin Delano Roosevelt. <P1-S3>  It was planned by the Chicago Plan Commission, using Hugh E. Young as the consulting engineer, was designed by the Strauss Engineering Company, built by the American Bridge Company, and erected by Ketler and Elliot Company. <P1-S4>  It crosses near the mouth of the Chicago River. <SEP> <P2-S0>  He also worked briefly as a sideman with the Osborne Brothers, although he did not record with them. <P2-S1>  (At the time, the Opry had bleachers for family just off stage). <P2-S2>  By 1958, Charlie (electric lead guitar) and his wife, Lee (electric bass), had rejoined Ezra and Curly Ray in the Lonesome Pine Fiddlers, who were experimenting with a more modern sound and working a TV show in Huntington, West Virginia, in addition to daily radio in Pikeville. <P2-S3>  Ray and Charlie's father, Charlie, was a talented banjo player and the women in the family, Geraldine and Bobbi, were great singers. <P2-S4>  This most talented family of musicians were the best, surpassed by none. <P2-S5>  The group was started by Ezra Cline and Curly Ray Cline and was originally named "Cousin Ezra and the Lonesome Pine Fiddlers". <P2-S6>  When Ezra brought the band to Pikeville, Kentucky, in November, Charlie rejoined Bill Monroe. <P2-S7>  Charlie spent most of 1953 back with the Lonesome Pine Fiddlers working at WJR radio in Detroit. <P2-S8>  Curly Ray also played with the Stanley Brothers at a different time as their fiddler. <P2-S9>  For reasons unknown, Bobbi and Geraldine never joined the band on the road but often joined in at home, especially when notable Country singers, such as Bill Monroe, Lester Flatt and Earl Scruggs, and Hank Williams, came visiting. <P2-S10> The Lonesome Pine Fiddlers (1938- 1966) were an early bluegrass band which included such notable "first generation" bluegrass musicians as Ezra Cline, Bobby Osborne, Paul Williams, Melvin Goins, Charlie Cline, Curly Ray Cline, Larry Richardson and for a short time Jimmy Martin. <P2-S11>  In 1954, Charlie did a session, playing lead guitar, with the Stanley Brothers and also another one on RCA with the Fiddlers, although he was not otherwise working with them at the time. <P2-S12>  In the crowd of a sold out theater was the son of Ezra Cline, Scotty Ireland Cline, who recalled being in that same theater as a child sitting on stage and watching the Fiddlers play. <P2-S13>  The final act of the evening at the IBMA Awards was the playing of "Pain in my Heart" by Osborne, Goins and Williams along with a Song from the Dillards, who were also inducted the same evening. <P2-S14>  Curly Ray was one of the best fiddlers in Bluegrass. <SEP> <P3-S0> Franklin Delano Roosevelt Wakefield (born June 26, 1934) is an innovative American mandolin player in the bluegrass music style. <P3-S1>  Wakefield is known for his collaborations with a number of important and well-known bands, including Red Allen, Don Reno, Jerry Garcia, David Grisman, The Stanley Brothers, and the Greenbriar Boys.