======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Broken Penis Orchestra'
                                     'text_people'  ''
                                         'release'  'Plays With Itself'
                                           'title'  'Half a Glass of Nothing'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'cut up', 'noise', 'experimental', 'sound collage']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '4'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '143.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '21098D04+2447+4+150+82502+99345+148621'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '2'
'TALB' (Album/Movie/Show title)                     'Plays With Itself'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes v1.1.2'
'TIT2' (Title/songname/content description)         'Half a Glass of Nothing'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Broken Penis Orchestra'
'TRCK' (Track number/Position in set)               '02/4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial', 'cut up', 'noise', 'experimental', 'sound collage']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.660463'

========================== row from database ==========================
                                              'id'  361095
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Broken Penis Orchestra／Dick Flick／etc  (usa)/2003 - Broken Penis Orchestra - Plays With Itself (Hypnagogia) [192k]/02 - Half a Glass of Nothing.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  5393254
                                           'mtime'  1636916009
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm The Orchestra／Dick Flick／etc (usa) 2003 (Hypnagogia) [192k] 02 electronic experimental oddness
                                      'tag_artist'  Broken Penis Orchestra
                                     'tag_release'  Plays With Itself
                                       'tag_title'  Half a Glass of Nothing
                                             'bpm'  143.9
                                    'search_title'  'a':2 'glass':3 'half':1 'nothing':5 'of':4
                                   'search_artist'  'broken':1 'orchestra':3 'penis':2
                                  'search_release'  'itself':3 'plays':1 'with':2
                                     'search_rest'  '192k':17,18 '2003':14 'dick':3,5 'electronic':19 'etc':8,10 'experimental':20 'flick':7,9 'flicketc':11 'hypnagogia':15,16 'oddness':21 'orchestra':2,4 'orchestradick':6 'the':1 'usa':12,13
                                    'search_combo'  '192k':28,29 '2003':25 'a':2A 'broken':6B 'dick':14,16 'electronic':30 'etc':19,21 'experimental':31 'flick':18,20 'flicketc':22 'glass':3A 'half':1A 'hypnagogia':26,27 'itself':11C 'nothing':5A 'oddness':32 'of':4A 'orchestra':8B,13,15 'orchestradick':17 'penis':7B 'plays':9C 'the':12 'usa':23,24 'with':10C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'cut up', 'noise', 'experimental', 'sound collage']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916008.8676085  (2021-11-14 19:53:28)
                             'size'  5393254