======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '215'
                                          'artist'  'Primal Scream'
                                     'text_people'  ''
                                         'release'  'Xtrmntr'
                                           'title'  'Insect Royalty'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '95.259'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000BE9 00000A6C 0000B5F5'
'COMM:iTunNORM:eng'                                 (' 00000BE9 00000A6C 0000B5F5 00005430 00001229 00012114 00008520 00008516 '
 '000250DB 0000F73E')
'COMM:iTunes_CDDB_IDs:eng'                          '11+A36FCCB7D54BAA6BAFC8BB5E2810995E+797931'
'TALB' (Album/Movie/Show title)                     'Xtrmntr'
'TBPM' (BPM (beats per minute))                     '95.259'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Insect Royalty'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Primal Scream'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/11'
'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:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'electronic', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.401577'

========================== row from database ==========================
                                              'id'  1343963
                                            'path'  /data/Music/Bulk/00poprockelectronic/Primal Scream/xtrmntr/08 insect royalty.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6026978
                                           'mtime'  1621697480
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic xtrmntr 08 insect royalty ifs songwriter indie rock
                                      'tag_artist'  Primal Scream
                                     'tag_release'  Xtrmntr
                                       'tag_title'  Insect Royalty
                                             'bpm'  95.259
                                    'search_title'  'insect':1 'royalty':2
                                   'search_artist'  'primal':1 'scream':2
                                  'search_release'  'xtrmntr':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':5 'indie':7 'insect':3 'rock':8 'royalty':4 'songwriter':6 'xtrmntr':2
                                    'search_combo'  '00poprockelectronic':6 'ifs':10 'indie':12 'insect':1A,8 'primal':3B 'rock':13 'royalty':2A,9 'scream':4B 'songwriter':11 'xtrmntr':5C,7
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'electronic', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697480.1353092  (2021-05-22 17:31:20)
                             'size'  6026978