======================== unified (from filesystem) ========================
                                         'bitrate'  '230.1'
                                        'duration'  '642'
                                          'artist'  'Bang on a Can All-Stars'
                                     'text_people'  ''
                                         'release'  'Classics'
                                           'title'  'Red Shift'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'electronic', 'julia wolfe', 'experimental', "
 "'ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '154'
                                             'key'  '7B'
                                        'acoustid'  '47916304-f953-468d-b314-6851d0790d23'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Classics'
'TBPM' (BPM (beats per minute))                     '154'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2013-04-22'
'TIT2' (Title/songname/content description)         'Red Shift'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Lois V. Vierk'
'TPE2' (Band/orchestra/accompaniment)               'Bang on a Can All-Stars'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cantaloupe Music'
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'Bang on a Can All-Stars'
'TSOP' (Performer sort order)                       'Vierk, Lois V.'
'TXXX:Acoustid Id'                                  '47916304-f953-468d-b314-6851d0790d23'
'TXXX:Artists'                                      'Lois V. Vierk'
'TXXX:CATALOGNUMBER'                                'CA21010'
'TXXX:DISCTOTAL'                                    '1'
'TXXX:MusicBrainz Album Artist Id'                  '656ec54e-d45f-4ff0-a751-e825a0f8aff8'
'TXXX:MusicBrainz Album Id'                         '8e77d87e-e056-46b9-924f-d8a9389c03a1'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '106efcdb-b084-4ba9-ba0d-091dea446043'
'TXXX:MusicBrainz Release Group Id'                 '0a938d44-7b71-3ffe-bb32-34597c7d570d'
'TXXX:MusicBrainz Release Track Id'                 '7b986514-77a0-48f4-8309-55cb7ad519d4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TRACKTOTAL'                                   '7'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'electronic',
 'julia wolfe',
 'experimental',
 'ambient']
'TXXX:mood'                                         'Electronic/Not aggressive/Not happy/Acoustic/Relaxed/Not party/Not sad'
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.819697'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f88c9c8c-5626-4574-8744-5db2013c047c')

========================== row from database ==========================
                                              'id'  1386638
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bang on a Can Classics [V0]/05 - Lois V Vierk - Red Shift.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  642
                                           'genre'  electronic
                                        'filesize'  18511225
                                           'mtime'  1636912342
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [V0] 05 Lois V Vierk electronic
                                      'tag_artist'  Bang on a Can All-Stars
                                     'tag_release'  Classics
                                       'tag_title'  Red Shift
                                             'bpm'  154.0
                                    'search_title'  'red':1 'shift':2
                                   'search_artist'  'a':3 'all':5 'allstars':7 'bang':1 'can':4 'on':2 'stars':6
                                  'search_release'  'classics':1
                                     'search_rest'  'electronic':6 'lois':3 'v':4 'v0':1,2 'vierk':5
                                    'search_combo'  'a':5B 'all':7B 'allstars':9B 'bang':3B 'can':6B 'classics':10C 'electronic':16 'lois':13 'on':4B 'red':1A 'shift':2A 'stars':8B 'v':14 'v0':11,12 'vierk':15
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'electronic', 'julia wolfe', 'experimental', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912341.96457  (2021-11-14 18:52:21)
                             'size'  18511225