======================== unified (from filesystem) ========================
                                         'bitrate'  '253.124'
                                        'duration'  '301'
                                          'artist'  'Boards Of Canada'
                                     'text_people'  ''
                                         'release'  'Trans Canada Highway'
                                           'title'  'Dayvan Cowboy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '06'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-ambient;set-pl-sced'
                                             'bpm'  '111.701'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A5C 000006C3 00003E4E'
'COMM:iTunNORM:eng'                                 (' 00000A5C 000006C3 00003E4E 00002164 00037C2B 00037C2B 00008000 00007DBF '
 '00035893 00037C42')
'TALB' (Album/Movie/Show title)                     'Trans Canada Highway'
'TBPM' (BPM (beats per minute))                     '111.701'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Dayvan Cowboy'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Boards Of Canada'
'TRCK' (Track number/Position in set)               '01/06'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.435083'

========================== row from database ==========================
                                              'id'  1321082
                                            'path'  /data/Music/Bulk/00poprockelectronic/Boards of Canada/[2006] Trans Canada Highway/01 Dayvan Cowboy.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  301
                                           'genre'  electronic-ambient;set-pl-sced
                                        'filesize'  9566988
                                           'mtime'  1636911091
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of [2006] 01 electronic ambient;set pl sced
                                      'tag_artist'  Boards Of Canada
                                     'tag_release'  Trans Canada Highway
                                       'tag_title'  Dayvan Cowboy
                                             'bpm'  111.701
                                    'search_title'  'cowboy':2 'dayvan':1
                                   'search_artist'  'boards':1 'canada':3 'of':2
                                  'search_release'  'canada':2 'highway':3 'trans':1
                                     'search_rest'  '00poprockelectronic':1 '2006':3,4 'ambient':6,8 'electronic':5 'of':2 'pl':10 'sced':11 'set':7,9
                                    'search_combo'  '00poprockelectronic':9 '2006':11,12 'ambient':14,16 'boards':3B 'canada':5B,7C 'cowboy':2A 'dayvan':1A 'electronic':13 'highway':8C 'of':4B,10 'pl':18 'sced':19 'set':15,17 'trans':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911091.2257645  (2021-11-14 18:31:31)
                             'size'  9566988