======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'Smash Mouth'
                                     'text_people'  ''
                                         'release'  'Fush Yu Mang'
                                           'title'  'Pet Names'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'ska', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '135.274'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:¥!\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xa5!\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Fush Yu Mang'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Pet Names'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Smash Mouth'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'ska']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'ska', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.393529'

========================== row from database ==========================
                                              'id'  1352483
                                            'path'  /data/Music/Bulk/00poprockelectronic/Smash Mouth/Fush Yu Mang/07-smash_mouth-pet_names-iro.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  3362606
                                           'mtime'  1620524877
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 smash_mouth pet_names iro loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Smash Mouth
                                     'tag_release'  Fush Yu Mang
                                       'tag_title'  Pet Names
                                             'bpm'  135.274
                                    'search_title'  'names':2 'pet':1
                                   'search_artist'  'mouth':2 'smash':1
                                  'search_release'  'fush':1 'mang':3 'yu':2
                                     'search_rest'  '00poprockelectronic':1 'dancehall':13 'dub':11 'iro':6 'loc':7 'mouth':3 'names':5 'or':10 'pet':4 'reggae':9 'ska':12 'smash':2 'style':8 'unsorted':14
                                    'search_combo'  '00poprockelectronic':8 'dancehall':20 'dub':18 'fush':5C 'iro':13 'loc':14 'mang':7C 'mouth':4B,10 'names':2A,12 'or':17 'pet':1A,11 'reggae':16 'ska':19 'smash':3B,9 'style':15 'unsorted':21 'yu':6C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'ska', 'pop', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'pop rock', 'ska']

============================== file details ==============================
                                           'mtime'  1620524877.3778896  (2021-05-09 03:47:57)
                             'size'  3362606