======================== unified (from filesystem) ========================
                                         'bitrate'  '258.163'
                                        'duration'  '377'
                                          'artist'  'Trans Am'
                                     'text_people'  ''
                                         'release'  'Futureworld'
                                           'title'  'Positron'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'indie', 'post rock', 'experimental']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '10'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '94.108'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000017D 00000162 00000757'
'COMM:iTunNORM:eng'                                 (' 0000017D 00000162 00000757 00000635 00052DA2 000262C7 00008000 00007C4A '
 '0003066B 00028F5E')
'TALB' (Album/Movie/Show title)                     'Futureworld'
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         'Positron'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Trans Am'
'TPE2' (Band/orchestra/accompaniment)               'Trans Am'
'TRCK' (Track number/Position in set)               '09/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.63 dB'
'TXXX:replaygain_track_peak'                        '0.827483'

========================== row from database ==========================
                                              'id'  1360439
                                            'path'  /data/Music/Bulk/00poprockelectronic/Trans Am/[1999] Futureworld/09 Positron.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  377
                                           'genre'  rock-post
                                        'filesize'  12186912
                                           'mtime'  1636400268
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1999] 09 rock post
                                      'tag_artist'  Trans Am
                                     'tag_release'  Futureworld
                                       'tag_title'  Positron
                                             'bpm'  94.108
                                    'search_title'  'positron':1
                                   'search_artist'  'am':2 'trans':1
                                  'search_release'  'futureworld':1
                                     'search_rest'  '00poprockelectronic':1 '1999':2,3 'post':5 'rock':4
                                    'search_combo'  '00poprockelectronic':5 '1999':6,7 'am':3B 'futureworld':4C 'positron':1A 'post':9 'rock':8 'trans':2B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
                                        'tag_date'  1999
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1636400267.9871929  (2021-11-08 20:37:47)
                             'size'  12186912