======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '84'
                                          'artist'  'Plymouth Startime 1956'
                                     'text_people'  ''
                                         'release'  'Commercial'
                                           'title'  'Hy-fire V8 (carsen)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '143.823'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Commercial'
'TBPM' (BPM (beats per minute))                     '143.823'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Hy-fire V8 (carsen)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Plymouth Startime 1956'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.79 dB'
'TXXX:replaygain_track_peak'                        '0.492226'

========================== row from database ==========================
                                              'id'  956716
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/Car comercials - Plymouth Startime 1956 - Hy-Fire V8 (Carsen).mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  84
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  677888
                                           'mtime'  1620524818
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa Car comercials Fire (Carsen) nonmusic commercials;set pl mor
                                      'tag_artist'  Plymouth Startime 1956
                                     'tag_release'  Commercial
                                       'tag_title'  Hy-fire V8 (carsen)
                                             'bpm'  143.823
                                    'search_title'  'carsen':5,6 'fire':2 'hy':1 'hyfire':3 'v8':4
                                   'search_artist'  '1956':3 'plymouth':1 'startime':2
                                  'search_release'  'commercial':1
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'car':8 'carsen':11,12 'comercials':9 'commercial':6 'commercials':14,16 'fire':10 'mor':19 'movietrailer':5 'nonmusic':13 'pl':18 'psa':7 'radio':4 'set':15,17 'tv':3
                                    'search_combo'  '00commercials':12 '0nonmusic':11 '1956':9B 'car':18 'carsen':5A,6A,21,22 'comercials':19 'commercial':10C,16 'commercials':24,26 'fire':2A,20 'hy':1A 'hyfire':3A 'mor':29 'movietrailer':15 'nonmusic':23 'pl':28 'plymouth':7B 'psa':17 'radio':14 'set':25,27 'startime':8B 'tv':13 'v8':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524817.957817  (2021-05-09 03:46:57)
                             'size'  677888