======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Shakira'
                                     'text_people'  ''
                                         'release'  'Laundry Service'
                                           'title'  'Wherever, Whenever'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['rock', 'latin', 'female vocalists', 'pop', 'spanish']"
                                     'discogstags'  "['electronic', 'rock', 'latin', 'pop', 'house', 'latin', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '107.607'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Laundry Service'
'TBPM' (BPM (beats per minute))                     '107.607'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Wherever, Whenever'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shakira'
'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'                                  ['electronic', 'rock', 'latin', 'pop', 'house', 'latin', 'pop rock']
'TXXX:lastfmtags'                                   ['rock', 'latin', 'female vocalists', 'pop', 'spanish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.433897'

========================== row from database ==========================
                                              'id'  1358351
                                            'path'  /data/Music/Bulk/00poprockelectronic/Shakira/Shakira - Whenever, Wherever.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  
                                        'filesize'  3934080
                                           'mtime'  1652397910
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Whenever,
                                      'tag_artist'  Shakira
                                     'tag_release'  Laundry Service
                                       'tag_title'  Wherever, Whenever
                                             'bpm'  107.607
                                    'search_title'  'whenever':3 'wherever':1,2
                                   'search_artist'  'shakira':1
                                  'search_release'  'laundry':1 'service':2
                                     'search_rest'  '00poprockelectronic':1 'whenever':2,3
                                    'search_combo'  '00poprockelectronic':7 'laundry':5C 'service':6C 'shakira':4B 'whenever':3A,8,9 'wherever':1A,2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['rock', 'latin', 'female vocalists', 'pop', 'spanish']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'latin', 'pop', 'house', 'latin', 'pop rock']

============================== file details ==============================
                                           'mtime'  1652397910.105303  (2022-05-13 01:25:10)
                             'size'  3934080