======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '396'
                                          'artist'  "Uncle Bob's Storybook Room"
                                     'text_people'  ''
                                         'release'  'various fucked up music'
                                           'title'  "Uncle Bob's Storybook Room"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '121.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'various fucked up music'
'TBPM' (BPM (beats per minute))                     '121.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Uncle Bob's Storybook Room"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Uncle Bob's Storybook Room"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+2.48 dB'
'TXXX:replaygain_track_peak'                        '0.473901'

========================== row from database ==========================
                                              'id'  1507771
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Herve Villechez - various fucked up music [128k]/Uncle Bob_s Storybook Room.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  396
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  6350720
                                           'mtime'  1636915662
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Herve Villechez [128k] Bob_s electronic experimental oddness
                                      'tag_artist'  Uncle Bob's Storybook Room
                                     'tag_release'  various fucked up music
                                       'tag_title'  Uncle Bob's Storybook Room
                                             'bpm'  121.1
                                    'search_title'  'bob':2 'bobs':4 'room':6 's':3 'storybook':5 'uncle':1
                                   'search_artist'  'bob':2 'bobs':4 'room':6 's':3 'storybook':5 'uncle':1
                                  'search_release'  'fucked':2 'music':4 'up':3 'various':1
                                     'search_rest'  '128k':3,4 'bob':5 'electronic':7 'experimental':8 'herve':1 'oddness':9 's':6 'villechez':2
                                    'search_combo'  '128k':19,20 'bob':2A,8B,21 'bobs':4A,10B 'electronic':23 'experimental':24 'fucked':14C 'herve':17 'music':16C 'oddness':25 'room':6A,12B 's':3A,9B,22 'storybook':5A,11B 'uncle':1A,7B 'up':15C 'various':13C 'villechez':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915662.0678415  (2021-11-14 19:47:42)
                             'size'  6350720