======================== unified (from filesystem) ========================
                                         'bitrate'  '223.037'
                                        'duration'  '245'
                                          'artist'  'The Sursiks'
                                     'text_people'  ''
                                         'release'  'Christmas In March'
                                           'title'  'Little Paper Airplanes'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['free jazz', 'jazz', 'avant garde', 'experimental', 'easy listening']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-collage;set-th-christmas;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '123.2'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Christmas In March'
'TBPM' (BPM (beats per minute))                     '123.2'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-collage',
 'set-th-christmas',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '2008'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Little Paper Airplanes'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sursiks'
'TPE2' (Band/orchestra/accompaniment)               'The Sursiks'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/15'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['free jazz', 'jazz', 'avant garde', 'experimental', 'easy listening']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.483547'
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1365877
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Sursiks - Christmas In March/04 Little Paper Airplanes.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  245
                                           'genre'  electronic-experimental-collage;set-th-christmas;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6949267
                                           'mtime'  1636920739
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 04 electronic experimental collage;set th christmas;set shirleyspinoza;set mor
                                      'tag_artist'  The Sursiks
                                     'tag_release'  Christmas In March
                                       'tag_title'  Little Paper Airplanes
                                             'bpm'  123.2
                                    'search_title'  'airplanes':3 'little':1 'paper':2
                                   'search_artist'  'sursiks':2 'the':1
                                  'search_release'  'christmas':1 'in':2 'march':3
                                     'search_rest'  'christmas':8,10 'collage':3,5 'electronic':1 'experimental':2 'mor':16 'set':4,6,9,11,13,15 'shirleyspinoza':12,14 'th':7
                                    'search_combo'  'airplanes':3A 'christmas':6C,16,18 'collage':11,13 'electronic':9 'experimental':10 'in':7C 'little':1A 'march':8C 'mor':24 'paper':2A 'set':12,14,17,19,21,23 'shirleyspinoza':20,22 'sursiks':5B 'th':15 'the':4B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['free jazz', 'jazz', 'avant garde', 'experimental', 'easy listening']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636920739.416114  (2021-11-14 21:12:19)
                             'size'  6949267