======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '208'
                                          'artist'  'Garbage'
                                     'text_people'  ''
                                         'release'  'beautifulgarbage'
                                           'title'  'Shut Your Mouth'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['pop rock', 'synth-pop', 'experimental', 'electronic', 'rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '90.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunPGAP:eng'                                 '1/'
'RVA2:album'                                        RVA2(desc='album', channel=1, gain=-9.529296875, peak=1.0000000004656613)
'RVA2:track'                                        RVA2(desc='track', channel=1, gain=-9.880859375, peak=1.0000000004656613)
'TALB' (Album/Movie/Show title)                     'beautifulgarbage'
'TBPM' (BPM (beats per minute))                     '90.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-10-01'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Garbage'], ['engineer', 'Billy Bush'], ['guest bass', 'Daniel Shulman']])
'TIT2' (Title/songname/content description)         'Shut Your Mouth'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Garbage'
'TPE2' (Band/orchestra/accompaniment)               'Garbage'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/13'
'TSO2'                                              'Garbage'
'TSOP' (Performer sort order)                       'Garbage'
'TSRC' (ISRC (international standard recording code))  'GBBUF0100951/USIR10110719'
'TXXX:MusicBrainz Album Artist Id'                  'f9ef7a22-4262-4596-a2a8-1d19345b8e50'
'TXXX:MusicBrainz Album Id'                         'ca21b476-0a9e-4102-826f-0be013446ba7'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f9ef7a22-4262-4596-a2a8-1d19345b8e50'
'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:discogstags'                                  ['pop rock', 'synth-pop', 'experimental', 'electronic', 'rock', 'pop']
'TXXX:lastfmtags'                                   ['90s', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+10.31 dB'
'TXXX:replaygain_track_peak'                        '0.107531'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2a295da0-c987-410d-b97e-9b650392a5ce')
'USLT::\x00\x00\x00'                                ''

========================== row from database ==========================
                                              'id'  1305650
                                            'path'  /data/Music/Bulk/00poprockelectronic/Garbage/Garbage - 2001 - beautifulgarbage [192 C]/Garbage - beautifulgarbage - 01 - Shut Your Mouth.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  rock-pop
                                        'filesize'  4999866
                                           'mtime'  1637523028
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2001 [192 C] 01 rock pop
                                      'tag_artist'  Garbage
                                     'tag_release'  beautifulgarbage
                                       'tag_title'  Shut Your Mouth
                                             'bpm'  90.0
                                    'search_title'  'mouth':3 'shut':1 'your':2
                                   'search_artist'  'garbage':1
                                  'search_release'  'beautifulgarbage':1
                                     'search_rest'  '00poprockelectronic':1 '192':3,4 '2001':2 'c':5,6 'pop':8 'rock':7
                                    'search_combo'  '00poprockelectronic':6 '192':8,9 '2001':7 'beautifulgarbage':5C 'c':10,11 'garbage':4B 'mouth':3A 'pop':13 'rock':12 'shut':1A 'your':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['pop rock', 'synth-pop', 'experimental', 'electronic', 'rock', 'pop']

============================== file details ==============================
                                           'mtime'  1637523027.8398185  (2021-11-21 20:30:27)
                             'size'  4999866