======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '138'
                                          'artist'  'Known In Bakersfield'
                                     'text_people'  'Jon Leidecker & Tim Meany'
                                         'release'  'The Omnihelmet'
                                           'title'  "We'll Talk Later"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '24'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '133.756'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Omnihelmet'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCOM' (Composer)                                   'Jon Leidecker & Tim Meany'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "We'll Talk Later"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Known In Bakersfield'
'TRCK' (Track number/Position in set)               '13/24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.629364'

========================== row from database ==========================
                                              'id'  236466
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0experimental_sound_projects/Wobbly/KIB18/kibA-13.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  138
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3405931
                                           'mtime'  1620572041
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0experimental_sound_projects Wobbly KIB18 kibA 13 electronic experimental oddness
                                      'tag_artist'  Known In Bakersfield
                                     'tag_release'  The Omnihelmet
                                       'tag_title'  We'll Talk Later
                                             'bpm'  133.756
                                    'search_title'  'later':5 'll':2 'talk':4 'we':1 'well':3
                                   'search_artist'  'bakersfield':3 'in':2 'known':1
                                  'search_release'  'omnihelmet':2 'the':1
                                     'search_rest'  '0experimental':1 'a':11 'electronic':7 'experimental':8 'kib':10 'kib18':5 'kiba':6 'oddness':9 'projects':3 'sound':2 'wobbly':4
                                    'search_combo'  '0experimental':11 'a':21 'bakersfield':8B 'electronic':17 'experimental':18 'in':7B 'kib':20 'kib18':15 'kiba':16 'known':6B 'later':5A 'll':2A 'oddness':19 'omnihelmet':10C 'projects':13 'sound':12 'talk':4A 'the':9C 'we':1A 'well':3A 'wobbly':14
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572040.511434  (2021-05-09 16:54:00)
                             'size'  3405931