======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '305'
                                          'artist'  'Pearl Jam'
                                     'text_people'  ''
                                         'release'  'Live on Two Legs'
                                           'title'  'Corduroy'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', '90s', 'grunge', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '140.335'
                                             'key'  '9A'
                                        'acoustid'  'b18edb89-a05c-495b-8757-30641a2e42bb'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live on Two Legs'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1999'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Corduroy'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pearl Jam'
'TPE2' (Band/orchestra/accompaniment)               'Pearl Jam'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Music'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Pearl Jam'
'TSOP' (Performer sort order)                       'Pearl Jam'
'TSRC' (ISRC (international standard recording code))  'USSM19804831'
'TXXX:Acoustid Id'                                  'b18edb89-a05c-495b-8757-30641a2e42bb'
'TXXX:BARCODE'                                      '6007689333232'
'TXXX:CATALOGNUMBER'                                'CDEPC 5703'
'TXXX:MusicBrainz Album Artist Id'                  '83b9cbe7-9857-49e2-ab8e-b57b01038103'
'TXXX:MusicBrainz Album Id'                         'e550c653-a0d1-3c12-b485-8bc6b0fdf1a9'
'TXXX:MusicBrainz Album Release Country'            'ZA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '83b9cbe7-9857-49e2-ab8e-b57b01038103'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'grunge', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.537261'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7f492657-cf0f-4bb7-ac00-4436cfccc4d0')

========================== row from database ==========================
                                              'id'  1303775
                                            'path'  /data/Music/Bulk/00poprockelectronic/Pearl Jam/Live on two legs/Pearl Jam - 01 - Corduroy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  305
                                           'genre'  rock-gr-grunge
                                        'filesize'  4884534
                                           'mtime'  1636903024
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic two legs 01 rock gr grunge
                                      'tag_artist'  Pearl Jam
                                     'tag_release'  Live on Two Legs
                                       'tag_title'  Corduroy
                                             'bpm'  140.335
                                    'search_title'  'corduroy':1
                                   'search_artist'  'jam':2 'pearl':1
                                  'search_release'  'legs':4 'live':1 'on':2 'two':3
                                     'search_rest'  '00poprockelectronic':1 'gr':5 'grunge':6 'legs':3 'rock':4 'two':2
                                    'search_combo'  '00poprockelectronic':8 'corduroy':1A 'gr':12 'grunge':13 'jam':3B 'legs':7C,10 'live':4C 'on':5C 'pearl':2B 'rock':11 'two':6C,9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', '90s', 'grunge', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636903023.5986807  (2021-11-14 16:17:03)
                             'size'  4884534