John Mayer ft. Taylor Swift - Half of My Heart (Re-Arranger track) ID: RE26934 All files available for download are covers, they are not by the original artist. Your browser does not support the audio tag. Technical Info Key:F Length:4:19 Tempo:115.1 bpm Bitrate:256 kB/s Samplerate:44 100 Hz File Size:7.9 MB File Format:MPEG 1 Layer 3 (Stereo) Type:Re-Arranger track Style: Rock, Country, 2010s €6.03Request