======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Gordon Jenkins'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1948'
                                           'title'  "Maybe You'll Be There"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'caravan', 'orchestra', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1948'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '135.094'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1948'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1948'
'TIT2' (Title/songname/content description)         "Maybe You'll Be There"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gordon Jenkins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'caravan', 'orchestra', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.650954'

========================== row from database ==========================
                                              'id'  1521324
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1948/12 Gordon Jenkins - Maybe You_ll Be There.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  prerock-unsorted
                                        'filesize'  3119623
                                           'mtime'  1676045894
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 12 You_ll prerock unsorted
                                      'tag_artist'  Gordon Jenkins
                                     'tag_release'  Billboard Top Pop Singles of 1948
                                       'tag_title'  Maybe You'll Be There
                                             'bpm'  135.094
                                    'search_title'  'be':5 'll':3 'maybe':1 'there':6 'you':2 'youll':4
                                   'search_artist'  'gordon':1 'jenkins':2
                                  'search_release'  '1948':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'll':4 'prerock':5 'top100':2 'unsorted':6 'you':3
                                    'search_combo'  '00poprockelectronic':15 '1948':14C 'be':5A 'billboard':9C 'gordon':7B 'jenkins':8B 'll':3A,18 'maybe':1A 'of':13C 'pop':11C 'prerock':19 'singles':12C 'there':6A 'top':10C 'top100':16 'unsorted':20 'you':2A,17 'youll':4A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['instrumental', 'caravan', 'orchestra', 'easy listening']
                                        'tag_date'  1948
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676045893.9951355  (2023-02-10 17:18:13)
                             'size'  3119623