Although it is rarely produced nowadays, the "Intermezzo", composed entirely by Mahler based on melodies by Weber, hints at the flute calls (echoed by other wind instruments such as the oboe and bassoon) in the slow section of the first movement of Mahler's Symphony No.
The "Intermezzo", although rarely made today, contains a reference to the flute calls (repeated by other wind instruments such as the oboe and bassoon) in the slow section of the first movement of Mahler's Symphony No.