======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Reel Big Fish'
                                     'text_people'  ''
                                         'release'  'Cheer Up!'
                                           'title'  'A Little Doubt Goes a Long Way'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'alternative', 'ska', 'punk', 'rock']"
                                     'discogstags'  "['rock', 'ska', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '145.895'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cheer Up!'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'A Little Doubt Goes a Long Way'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Reel Big Fish'
'TRCK' (Track number/Position in set)               '8'
'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', 'ska', 'punk']
'TXXX:lastfmtags'                                   ['ska punk', 'alternative', 'ska', 'punk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.441951'

========================== row from database ==========================
                                              'id'  1345370
                                            'path'  /data/Music/Bulk/00poprockelectronic/Reel Big Fish/Cheer Up!/MBZ;#Reel Big Fish;#Cheer Up!;#08;#A Little Doubt Goes a Long Way.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  4015556
                                           'mtime'  1621695982
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Reel Fish;#Cheer Up!;#08;#A rock gr punk ska
                                      'tag_artist'  Reel Big Fish
                                     'tag_release'  Cheer Up!
                                       'tag_title'  A Little Doubt Goes a Long Way
                                             'bpm'  145.895
                                    'search_title'  'a':1 'doubt':3 'goes':4 'little':2 'long':5 'way':6
                                   'search_artist'  'big':2 'fish':3 'reel':1
                                  'search_release'  'cheer':1 'up':2
                                     'search_rest'  '00poprockelectronic':1 '08':11,14 'a':12,15 'cheer':7,9 'fish':6,8 'gr':17 'mbz':2,4 'punk':18 'reel':3,5 'rock':16 'ska':19 'up':10,13
                                    'search_combo'  '00poprockelectronic':12 '08':22,25 'a':1A,23,26 'big':8B 'cheer':10C,18,20 'doubt':3A 'fish':9B,17,19 'goes':4A 'gr':28 'little':2A 'long':5A 'mbz':13,15 'punk':29 'reel':7B,14,16 'rock':27 'ska':30 'up':11C,21,24 'way':6A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           '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-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'alternative', 'ska', 'punk', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'ska', 'punk']

============================== file details ==============================
                                           'mtime'  1621695981.549682  (2021-05-22 17:06:21)
                             'size'  4015556