======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '262'
                                          'artist'  'Third Eye Blind'
                                     'text_people'  ''
                                         'release'  'Third Eye Blind'
                                           'title'  'Motorcycle Drive By'
                                           'quals'  ("['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-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', '90s', 'alternative', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'grunge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '84.105'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Third Eye Blind'
'TBPM' (BPM (beats per minute))                     '84.105'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Motorcycle Drive By'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Third Eye Blind'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'grunge']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'pop', 'rock']
'TXXX:original release date'                        ['1997', '1997']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.566601'

========================== row from database ==========================
                                              'id'  1297020
                                            'path'  /data/Music/Bulk/00poprockelectronic/Third Eye Blind/MBZ;#Third Eye Blind;#Third Eye Blind;#13;#Motorcycle Drive By.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  262
                                           'genre'  rock-pop
                                        'filesize'  4204073
                                           'mtime'  1620392161
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Third Blind;#Third Blind;#13;#Motorcycle rock pop
                                      'tag_artist'  Third Eye Blind
                                     'tag_release'  Third Eye Blind
                                       'tag_title'  Motorcycle Drive By
                                             'bpm'  84.105
                                    'search_title'  'by':3 'drive':2 'motorcycle':1
                                   'search_artist'  'blind':3 'eye':2 'third':1
                                  'search_release'  'blind':3 'eye':2 'third':1
                                     'search_rest'  '00poprockelectronic':1 '13':11,14 'blind':6,8,10,13 'mbz':2,4 'motorcycle':12,15 'pop':17 'rock':16 'third':3,5,7,9
                                    'search_combo'  '00poprockelectronic':10 '13':20,23 'blind':6B,9C,15,17,19,22 'by':3A 'drive':2A 'eye':5B,8C 'mbz':11,13 'motorcycle':1A,21,24 'pop':26 'rock':25 'third':4B,7C,12,14,16,18
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'pop', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'alternative rock', 'grunge']

============================== file details ==============================
                                           'mtime'  1620392160.5369484  (2021-05-07 14:56:00)
                             'size'  4204073