======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '110'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Reel-to-Reel Tapes found in a store in Bristol, Tenn.'
                                           'title'  "Walk - Don't Run"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '86.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Reel-to-Reel Tapes found in a store in Bristol, Tenn.'
'TBPM' (BPM (beats per minute))                     '86.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TIT2' (Title/songname/content description)         "Walk - Don't Run"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '15'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.05 dB'
'TXXX:replaygain_track_peak'                        '0.995358'

========================== row from database ==========================
                                              'id'  1520874
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/283_15_Unknown_Band_-_Walk_-_Don_t_Run.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  110
                                           'genre'  rock-pop-surf
                                        'filesize'  3473007
                                           'mtime'  1620736357
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 283_15_Unknown_Band_ _Walk_ _Don_t_Run rock pop surf
                                      'tag_artist'  [unknown]
                                     'tag_release'  Reel-to-Reel Tapes found in a store in Bristol, Tenn.
                                       'tag_title'  Walk - Don't Run
                                             'bpm'  86.6
                                    'search_title'  'don':2 'dont':4 'run':5 't':3 'walk':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'a':8 'bristol':10,11 'found':6 'in':7 'reel':1,3 'reeltoreel':4 'store':9 'tapes':5 'tenn':12,13 'to':2
                                     'search_rest'  '15':2 '283':1 'band':4 'don':6 'pop':10 'rock':9 'run':8 'surf':11 't':7 'unknown':3 'walk':5
                                    'search_combo'  '15':22 '283':21 'a':15C 'band':24 'bristol':17C,18C 'don':2A,26 'dont':4A 'found':13C 'in':14C 'pop':30 'reel':8C,10C 'reeltoreel':11C 'rock':29 'run':5A,28 'store':16C 'surf':31 't':3A,27 'tapes':12C 'tenn':19C,20C 'to':9C 'unknown':6B,7B,23 'walk':1A,25
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736356.537286  (2021-05-11 14:32:36)
                             'size'  3473007