======================== unified (from filesystem) ========================
                                         'bitrate'  '229.356'
                                        'duration'  '183'
                                          'artist'  'Barenaked Ladies'
                                     'text_people'  ''
                                         'release'  'Maybe You Should Drive'
                                           'title'  'Intermittently'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'canadian', 'pop', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '94.503'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Maybe You Should Drive'
'TBPM' (BPM (beats per minute))                     '94.503'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Intermittently'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Barenaked Ladies'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'canadian', 'pop', 'rock']
'TXXX:original release date'                        ['1994', '1994']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.656665'

========================== row from database ==========================
                                              'id'  1334921
                                            'path'  /data/Music/Bulk/00poprockelectronic/Barenaked Ladies/MBZ;#Barenaked Ladies;#Maybe You Should Drive;#02;#Intermittently.mp3
                                         'working'  None
                                         'bitrate'  229
                                    'duration_sec'  183
                                           'genre'  rock-unsorted
                                        'filesize'  5269196
                                           'mtime'  1620389244
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Barenaked Ladies;#Maybe Drive;#02;#Intermittently rock unsorted
                                      'tag_artist'  Barenaked Ladies
                                     'tag_release'  Maybe You Should Drive
                                       'tag_title'  Intermittently
                                             'bpm'  94.503
                                    'search_title'  'intermittently':1
                                   'search_artist'  'barenaked':1 'ladies':2
                                  'search_release'  'drive':4 'maybe':1 'should':3 'you':2
                                     'search_rest'  '00poprockelectronic':1 '02':11,14 'barenaked':3,5 'drive':10,13 'intermittently':12,15 'ladies':6,8 'maybe':7,9 'mbz':2,4 'rock':16 'unsorted':17
                                    'search_combo'  '00poprockelectronic':8 '02':18,21 'barenaked':2B,10,12 'drive':7C,17,20 'intermittently':1A,19,22 'ladies':3B,13,15 'maybe':4C,14,16 'mbz':9,11 'rock':23 'should':6C 'unsorted':24 'you':5C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6B
                                           '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-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'canadian', 'pop', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620389244.2098613  (2021-05-07 14:07:24)
                             'size'  5269196