======================== unified (from filesystem) ========================
                                         'bitrate'  '181.165'
                                        'duration'  '262'
                                          'artist'  'Boom Clap Batchelors'
                                     'text_people'  ''
                                         'release'  'Chillout Session Volume 7'
                                           'title'  'Combiner'
                                           'quals'  ("['Q-HAP-3', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-2', 'Q-SYN-3', 'Q-OLDST-3', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '95.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'No Comment'
'COMM:ID3v1 Comment:eng'                            'No Comment'
'TALB' (Album/Movie/Show title)                     'Chillout Session Volume 7'
'TBPM' (BPM (beats per minute))                     '95.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97 -V2'
'TIT2' (Title/songname/content description)         'Combiner'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Boom Clap Batchelors'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.99 dB'
'TXXX:replaygain_track_peak'                        '0.992091'

========================== row from database ==========================
                                              'id'  1534885
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA-Chillout_Session_Volume_7-2CD-2009-ONe/201-boom_clap_batchelors_-_combiner.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  262
                                           'genre'  electronic
                                        'filesize'  5959872
                                           'mtime'  1636916777
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA Chillout_Session_Volume_7 2CD 2009 ONe 201 boom_clap_batchelors_ _combiner electronic
                                      'tag_artist'  Boom Clap Batchelors
                                     'tag_release'  Chillout Session Volume 7
                                       'tag_title'  Combiner
                                             'bpm'  95.1
                                    'search_title'  'combiner':1
                                   'search_artist'  'batchelors':3 'boom':1 'clap':2
                                  'search_release'  '7':4 'chillout':1 'session':2 'volume':3
                                     'search_rest'  '00poprockelectronic':1 '2009':8 '201':10 '2cd':7 '7':6 'batchelors':13 'boom':11 'chillout':3 'clap':12 'combiner':14 'electronic':15 'one':9 'session':4 'va':2 'volume':5
                                    'search_combo'  '00poprockelectronic':9 '2009':16 '201':18 '2cd':15 '7':8C,14 'batchelors':4B,21 'boom':2B,19 'chillout':5C,11 'clap':3B,20 'combiner':1A,22 'electronic':23 'one':17 'session':6C,12 'va':10 'volume':7C,13
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916777.1335683  (2021-11-14 20:06:17)
                             'size'  5959872