======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Rockapella'
                                     'text_people'  ''
                                         'release'  'Best Of'
                                           'title'  'For the Longest Time'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-1', 'q-busy-1', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal', 'a cappella', 'pop', 'a capella', 'acapella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-a capella'
                                             'bpm'  '88.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Best Of'
'TBPM' (BPM (beats per minute))                     '88.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-a capella'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'For the Longest Time'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rockapella'
'TPE2' (Band/orchestra/accompaniment)               'Rockapella'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal', 'a cappella', 'pop', 'a capella', 'acapella']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.533616'

========================== row from database ==========================
                                              'id'  1476151
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rockapella/Rockapella - For the longest time.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  ifs-songwriter-a capella
                                        'filesize'  3360004
                                           'mtime'  1638554941
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos longest time ifs songwriter capella
                                      'tag_artist'  Rockapella
                                     'tag_release'  Best Of
                                       'tag_title'  For the Longest Time
                                             'bpm'  88.8
                                    'search_title'  'for':1 'longest':3 'the':2 'time':4
                                   'search_artist'  'rockapella':1
                                  'search_release'  'best':1 'of':2
                                     'search_rest'  '00singer':1 'capella':7 'eos':3 'ifs':6 'longest':4 'songwriter':2 'time':5
                                    'search_combo'  '00singer':8 'best':6C 'capella':14 'eos':10 'for':1A 'ifs':13 'longest':3A,11 'of':7C 'rockapella':5B 'songwriter':9 'the':2A 'time':4A,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vocal', 'a cappella', 'pop', 'a capella', 'acapella']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554940.805284  (2021-12-03 19:09:00)
                             'size'  3360004