======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Rockapella'
                                     'text_people'  ''
                                         'release'  'Lucky Seven'
                                           'title'  'Stand by Me'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-4', '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']"
                                     'discogstags'  "['vocal', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-a capella'
                                             'bpm'  '121.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Lucky Seven'
'TBPM' (BPM (beats per minute))                     '121.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-a capella'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Stand by Me'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rockapella'
'TPE2' (Band/orchestra/accompaniment)               'Rockapella'
'TRCK' (Track number/Position in set)               '9'
'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:discogstags'                                  ['vocal', 'pop']
'TXXX:lastfmtags'                                   ['vocal', 'a cappella', 'pop', 'a capella', 'acapella']
'TXXX:q-bass'                                       '4'
'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'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.859405'

========================== row from database ==========================
                                              'id'  1475939
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rockapella/Rockapella - Stad by me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  ifs-songwriter-a capella
                                        'filesize'  3048818
                                           'mtime'  1638554943
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Stad me ifs songwriter capella
                                      'tag_artist'  Rockapella
                                     'tag_release'  Lucky Seven
                                       'tag_title'  Stand by Me
                                             'bpm'  121.7
                                    'search_title'  'by':2 'me':3 'stand':1
                                   'search_artist'  'rockapella':1
                                  'search_release'  'lucky':1 'seven':2
                                     'search_rest'  '00singer':1 'capella':7 'eos':3 'ifs':6 'me':5 'songwriter':2 'stad':4
                                    'search_combo'  '00singer':7 'by':2A 'capella':13 'eos':9 'ifs':12 'lucky':5C 'me':3A,11 'rockapella':4B 'seven':6C 'songwriter':8 'stad':10 'stand':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-grit-1']
                                      'lastfmtags'  ['vocal', 'a cappella', 'pop', 'a capella', 'acapella']
                                        'tag_date'  1996
                                     'discogstags'  ['vocal', 'pop']

============================== file details ==============================
                                           'mtime'  1638554943.309495  (2021-12-03 19:09:03)
                             'size'  3048818