======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '107'
                                          'artist'  'Library Tapes'
                                     'text_people'  ''
                                         'release'  'Fragment'
                                           'title'  'Fragment VII'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'piano', 'post rock', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'classical', 'modern classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '99.080'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Fragment'
'TBPM' (BPM (beats per minute))                     '99.080'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Fragment VII'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Library Tapes'
'TRCK' (Track number/Position in set)               '7'
'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', 'classical', 'modern classical', 'ambient']
'TXXX:lastfmtags'                                   ['electronic', 'piano', 'post rock', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.60 dB'
'TXXX:replaygain_track_peak'                        '0.799037'
'WCOM:http://www.klicktrack.com/shop/label/kningdisk/kd049'  WCOM(url='http://www.klicktrack.com/shop/label/kningdisk/kd049')
'WOAF' (Official audio file webpage)                WOAF(url='http://www.klicktrack.com/shop/label/kningdisk/kd049')
'WOAS' (Official audio source webpage)              WOAS(url='http://www.klicktrack.com/shop/label/kningdisk/kd049')

========================== row from database ==========================
                                              'id'  1292230
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Library Tapes/Fragment/07 fragment vii.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  107
                                           'genre'  electronic
                                        'filesize'  4374400
                                           'mtime'  1636913186
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 07 fragment vii electronic
                                      'tag_artist'  Library Tapes
                                     'tag_release'  Fragment
                                       'tag_title'  Fragment VII
                                             'bpm'  99.08
                                    'search_title'  'fragment':1 'vii':2
                                   'search_artist'  'library':1 'tapes':2
                                  'search_release'  'fragment':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':5 'fragment':3 'vii':4
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 'electronic':10 'fragment':1A,5C,8 'library':3B 'tapes':4B 'vii':2A,9
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['electronic', 'piano', 'post rock', 'experimental', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'classical', 'modern classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1636913185.7948644  (2021-11-14 19:06:25)
                             'size'  4374400