======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '262'
                                          'artist'  'Piana'
                                     'text_people'  ''
                                         'release'  'Eternal Castle'
                                           'title'  'Norway'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronica', 'female vocalists', 'japanese', 'idm', 'ambient', "
 "'electronic']")
                                     'discogstags'  "['electronic', 'rock', 'idm', 'post rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-ambient;set-pl-sced'
                                             'bpm'  '103.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000090C 00000970 00002E95 00002BED 00033467 00033467 00008000 00008000 '
 '0001ADF5 0001ADDE')
'TALB' (Album/Movie/Show title)                     'Eternal Castle'
'TBPM' (BPM (beats per minute))                     '103.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient', 'set-pl-sced']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Norway'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Piana'
'TPE2' (Band/orchestra/accompaniment)               'Piana'
'TRCK' (Track number/Position in set)               '2/8'
'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', 'rock', 'idm', 'post rock', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'female vocalists', 'japanese', 'idm', 'ambient', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.436750'

========================== row from database ==========================
                                              'id'  1376704
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Piana/[2007] Eternal Castle/02 Norway.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  262
                                           'genre'  electronic-ambient;set-pl-sced
                                        'filesize'  8454367
                                           'mtime'  1636910792
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient [2007] 02 electronic ambient;set pl sced
                                      'tag_artist'  Piana
                                     'tag_release'  Eternal Castle
                                       'tag_title'  Norway
                                             'bpm'  103.1
                                    'search_title'  'norway':1
                                   'search_artist'  'piana':1
                                  'search_release'  'castle':2 'eternal':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2007':3,4 'ambient':6,8 'electronic':5 'pl':10 'sced':11 'set':7,9
                                    'search_combo'  '00ambient':6 '00poprockelectronic':5 '2007':7,8 'ambient':10,12 'castle':4C 'electronic':9 'eternal':3C 'norway':1A 'piana':2B 'pl':14 'sced':15 'set':11,13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'japanese', 'idm', 'ambient', 'electronic']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock', 'idm', 'post rock', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910791.6601706  (2021-11-14 18:26:31)
                             'size'  8454367