======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '358'
                                          'artist'  'The Trammps'
                                     'text_people'  ''
                                         'release'  'The Sound of The Trammps'
                                           'title'  'Love Epidemic'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '127.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:thumbnail'                                    type PictureType.COVER_FRONT (Cover (front)) b'thumbnail'
                                     
'COMM::eng'                                         'omment'
'TALB' (Album/Movie/Show title)                     'The Sound of The Trammps'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Love Epidemic'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Trammps'
'TRCK' (Track number/Position in set)               '3'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf55.19.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', '70s', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.396028'

========================== row from database ==========================
                                              'id'  1280056
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/The Sound of The Trammps+/03 - Love Epidemic.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  358
                                           'genre'  funk or soul
                                        'filesize'  11484785
                                           'mtime'  1621854242
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Trammps+ 03 funk or soul
                                      'tag_artist'  The Trammps
                                     'tag_release'  The Sound of The Trammps
                                       'tag_title'  Love Epidemic
                                             'bpm'  127.0
                                    'search_title'  'epidemic':2 'love':1
                                   'search_artist'  'the':1 'trammps':2
                                  'search_release'  'of':3 'sound':2 'the':1 'trammps':4
                                     'search_rest'  'funk':2 'or':5 'soul':3 'swing':1 'trammps':4
                                    'search_combo'  'epidemic':2A 'funk':10 'love':1A 'of':7C 'or':13 'soul':11 'sound':6C 'swing':9 'the':3B,5C 'trammps':4B,8C,12
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854242.4429379  (2021-05-24 13:04:02)
                             'size'  11484785