======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '133'
                                          'artist'  'Speedy West'
                                     'text_people'  'Speedy West'
                                         'release'  'Steel Guitar'
                                           'title'  'Truck Drivers Ride'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'country', 'blue', 'instrumental', 'rockabilly']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'ifs-folk-steelguitar;mi-guitar'
                                             'bpm'  '110.0'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000794 00000794 00005F64 00005F64 00011300 00011300 00007101 00007101 '
 '0000DFE0 0000DFE0')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AF0 0000000000599000 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Steel Guitar'
'TBPM' (BPM (beats per minute))                     '110.0'
'TCOM' (Composer)                                   'Speedy West'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-folk-steelguitar', 'mi-guitar']
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Truck Drivers Ride'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Speedy West'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['guitar', 'country', 'blue', 'instrumental', 'rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.517380'

========================== row from database ==========================
                                              'id'  367221
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/1960 - speedy west - steel guitar/10 truck drivers ride.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  133
                                           'genre'  ifs-folk-steelguitar;mi-guitar
                                        'filesize'  3198332
                                           'mtime'  1637330694
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1960 speedy west steel guitar 10 truck drivers ride ifs folk steelguitar;mi guitar
                                      'tag_artist'  Speedy West
                                     'tag_release'  Steel Guitar
                                       'tag_title'  Truck Drivers Ride
                                             'bpm'  110.0
                                    'search_title'  'drivers':2 'ride':3 'truck':1
                                   'search_artist'  'speedy':1 'west':2
                                  'search_release'  'guitar':2 'steel':1
                                     'search_rest'  '1960':1 'drivers':7 'folk':10 'guitar':5 'ifs':9 'mi':12,14 'ride':8 'speedy':2 'steel':4 'steelguitar':11,13 'truck':6 'west':3
                                    'search_combo'  '1960':8 'drivers':2A,14 'folk':17 'guitar':7C,12 'ifs':16 'mi':19,21 'ride':3A,15 'speedy':4B,9 'steel':6C,11 'steelguitar':18,20 'truck':1A,13 'west':5B,10
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'country', 'blue', 'instrumental', 'rockabilly']
                                        'tag_date'  1960
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1637330693.8632195  (2021-11-19 15:04:53)
                             'size'  3198332