======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Styx'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Babe'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['rock', 'arena rock', 'aor', 'classic rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '120.256'
                                             'key'  '10B'
                                        '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)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '120.256'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Babe'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Styx'
'TPE2' (Band/orchestra/accompaniment)               'Styx'
'TRCK' (Track number/Position in set)               '5'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'arena rock', 'aor', 'classic rock', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.481399'

========================== row from database ==========================
                                              'id'  1319434
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Styx__MBZ;#Styx;#Cornerstone;#03;#Babe.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  6355816
                                           'mtime'  1620573000
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Styx__MBZ;#Styx;#Cornerstone;#03;#Babe electronic generic or radio unsorted
                                      'tag_artist'  Styx
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Babe
                                             'bpm'  120.256
                                    'search_title'  'babe':1
                                   'search_artist'  'styx':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 '03':11,17 'babe':12,18 'cornerstone':10,16 'electronic':19 'files':5,6 'generic':20 'loose':3,4 'mbz':8,14 'or':21 'radio':22 'styx':7,9,13,15 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 '03':15,21 'babe':1A,16,22 'cornerstone':14,20 'electronic':23 'files':9,10 'generic':24 'greatest':3C 'hits':4C 'loose':7,8 'mbz':12,18 'or':25 'radio':26 'styx':2B,11,13,17,19 'unsorted':6
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'hard rock', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock', 'arena rock', 'aor', 'classic rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620573000.0147603  (2021-05-09 17:10:00)
                             'size'  6355816