======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '140'
                                          'artist'  'Pennywise'
                                     'text_people'  ''
                                         'release'  'About Time'
                                           'title'  'Waste of Time'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '116.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:ÊÜFP¸yTN\x96®Àß\x96@é/'     PRIV(owner='WM/WMCollectionID', data=b'\xca\xdcFP\xb8yTN\x96\xae\xc0\xdf\x96@\xe9/')
'PRIV:WM/WMContentID:##UKå¶%K\x8fÝL\x0e?<ú\x1d'     PRIV(owner='WM/WMContentID', data=b'##UK\xe5\xb6%K\x8f\xddL\x0e?<\xfa\x1d')
'TALB' (Album/Movie/Show title)                     'About Time'
'TBPM' (BPM (beats per minute))                     '116.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Waste of Time'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '140251'
'TPE1' (Lead performer(s)/Soloist(s))               'Pennywise'
'TPE2' (Band/orchestra/accompaniment)               'Pennywise'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'hardcore', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'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'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.442953'

========================== row from database ==========================
                                              'id'  1420941
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise/(1995) - About Time/02. Pennywise - Waste Of Time.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  140
                                           'genre'  rock-gr-punk
                                        'filesize'  2258359
                                           'mtime'  1622659111
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner (1995) 02. Of rock gr punk
                                      'tag_artist'  Pennywise
                                     'tag_release'  About Time
                                       'tag_title'  Waste of Time
                                             'bpm'  116.9
                                    'search_title'  'of':2 'time':3 'waste':1
                                   'search_artist'  'pennywise':1
                                  'search_release'  'about':1 'time':2
                                     'search_rest'  '02':7,8 '1995':5,6 'garage':2 'gr':11 'of':9 'punk':1 'rock':10 'stoner':4 'surf':3
                                    'search_combo'  '02':13,14 '1995':11,12 'about':5C 'garage':8 'gr':17 'of':2A,15 'pennywise':4B 'punk':7 'rock':16 'stoner':10 'surf':9 'time':3A,6C 'waste':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'hardcore', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659110.979634  (2021-06-02 20:38:30)
                             'size'  2258359