======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '60'
                                          'artist'  'Sherbet Coke Spot (Australian Band)'
                                     'text_people'  ''
                                         'release'  'Psychedelic Promos Radio Spots Vol. 2'
                                           'title'  'Sherbet Coke Spot (Australian Band)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '128.008'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Psychedelic Promos Radio Spots Vol. 2'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Sherbet Coke Spot (Australian Band)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sherbet Coke Spot (Australian Band)'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.413358'
'TXXX:tracknum'                                     '19'

========================== row from database ==========================
                                              'id'  483765
                                            'path'  /data/Music/Bulk/0nonmusic/PsychedelicPromosRadioSpotsVol.2/19. Sherbet Coke Spot (Australian Band).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  60
                                           'genre'  nonmusic-commercials
                                        'filesize'  2417985
                                           'mtime'  1620525652
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic PsychedelicPromosRadioSpotsVol.2 19. nonmusic commercials
                                      'tag_artist'  Sherbet Coke Spot (Australian Band)
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 2
                                       'tag_title'  Sherbet Coke Spot (Australian Band)
                                             'bpm'  128.008
                                    'search_title'  'australian':4,5 'band':6,7 'coke':2 'sherbet':1 'spot':3
                                   'search_artist'  'australian':4,5 'band':6,7 'coke':2 'sherbet':1 'spot':3
                                  'search_release'  '2':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
                                     'search_rest'  '0nonmusic':1 '19':5,6 '2':3,14 'commercials':8 'nonmusic':7 'promos':10 'psychedelic':9 'psychedelicpromosradiospotsvol':2 'psychedelicpromosradiospotsvol2':4 'radio':11 'spots':12 'vol':13 'vol2':15
                                    'search_combo'  '0nonmusic':22 '19':26,27 '2':21C,24,35 'australian':4A,5A,11B,12B 'band':6A,7A,13B,14B 'coke':2A,9B 'commercials':29 'nonmusic':28 'promos':16C,31 'psychedelic':15C,30 'psychedelicpromosradiospotsvol':23 'psychedelicpromosradiospotsvol2':25 'radio':17C,32 'sherbet':1A,8B 'spot':3A,10B 'spots':18C,33 'vol':19C,20C,34 'vol2':36
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525651.975804  (2021-05-09 04:00:51)
                             'size'  2417985