======================== unified (from filesystem) ========================
                                         'bitrate'  '136.51'
                                        'duration'  '137'
                                          'artist'  'Bonnie "Prince" Billy'
                                     'text_people'  ''
                                         'release'  'I See a Darkness'
                                           'title'  'Knockturne'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'country', 'alt country', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-alt'
                                             'bpm'  '113.900'
                                             'key'  '8B'
                                        'acoustid'  '365eb135-dc15-4898-bc3e-84a84ef1c351'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I See a Darkness'
'TBPM' (BPM (beats per minute))                     '113.900'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country-alt'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-01-19'
'TIT2' (Title/songname/content description)         'Knockturne'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonnie "Prince" Billy'
'TPE2' (Band/orchestra/accompaniment)               'Bonnie "Prince" Billy'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Palace Records'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Billy, Bonnie "Prince"'
'TSOP' (Performer sort order)                       'Billy, Bonnie "Prince"'
'TXXX:ASIN'                                         'B000066HI4'
'TXXX:Acoustid Id'                                  '365eb135-dc15-4898-bc3e-84a84ef1c351'
'TXXX:CATALOGNUMBER'                                'PR22'
'TXXX:MusicBrainz Album Artist Id'                  '7b0a63b2-b8e8-490e-b724-1d30cb5edfe3'
'TXXX:MusicBrainz Album Id'                         'c9557957-1e60-3aae-ac7d-7177feffe2d2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7b0a63b2-b8e8-490e-b724-1d30cb5edfe3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'country', 'alt country', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.763557'

========================== row from database ==========================
                                              'id'  1494482
                                            'path'  /data/Music/Bulk/00localcharacter/jghsdfgkj/06 Knockturne.mp3
                                         'working'  None
                                         'bitrate'  136
                                    'duration_sec'  137
                                           'genre'  loc-namerica-country-alt
                                        'filesize'  2344869
                                           'mtime'  1621629923
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter jghsdfgkj 06 loc namerica country alt
                                      'tag_artist'  Bonnie "Prince" Billy
                                     'tag_release'  I See a Darkness
                                       'tag_title'  Knockturne
                                             'bpm'  113.9
                                    'search_title'  'knockturne':1
                                   'search_artist'  'billy':3 'bonnie':1 'prince':2
                                  'search_release'  'a':3 'darkness':4 'i':1 'see':2
                                     'search_rest'  'alt':5 'country':4 'jghsdfgkj':1 'loc':2 'namerica':3
                                    'search_combo'  'a':7C 'alt':13 'billy':4B 'bonnie':2B 'country':12 'darkness':8C 'i':5C 'jghsdfgkj':9 'knockturne':1A 'loc':10 'namerica':11 'prince':3B 'see':6C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'country', 'alt country', 'folk', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629922.9334495  (2021-05-21 22:45:22)
                             'size'  2344869