======================== unified (from filesystem) ========================
                                         'bitrate'  '163.52'
                                        'duration'  '232'
                                          'artist'  'Jojo Effect Feat. Iain Mackenzie'
                                     'text_people'  ''
                                         'release'  'Chillout Session Volume 7'
                                           'title'  'Mambo Tonight'
                                           '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-3', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '107.8'
                                             'key'  '7A'
                                        '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))                     '107.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97 -V2'
'TIT2' (Title/songname/content description)         'Mambo Tonight'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Jojo Effect Feat. Iain Mackenzie'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'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'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-8.25 dB'
'TXXX:replaygain_track_peak'                        '1.095811'

========================== row from database ==========================
                                              'id'  1534869
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA-Chillout_Session_Volume_7-2CD-2009-ONe/106-jojo_effect_feat._iain_mackenzie_-_mambo_tonight.mp3
                                         'working'  None
                                         'bitrate'  163
                                    'duration_sec'  232
                                           'genre'  electronic
                                        'filesize'  4760547
                                           'mtime'  1636916774
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA Chillout_Session_Volume_7 2CD 2009 ONe 106 jojo_effect_feat._iain_mackenzie_ _mambo_tonight electronic
                                      'tag_artist'  Jojo Effect Feat. Iain Mackenzie
                                     'tag_release'  Chillout Session Volume 7
                                       'tag_title'  Mambo Tonight
                                             'bpm'  107.8
                                    'search_title'  'mambo':1 'tonight':2
                                   'search_artist'  'effect':2 'feat':3,4 'iain':5 'jojo':1 'mackenzie':6
                                  'search_release'  '7':4 'chillout':1 'session':2 'volume':3
                                     'search_rest'  '00poprockelectronic':1 '106':10 '2009':8 '2cd':7 '7':6 'chillout':3 'effect':12,17 'electronic':23 'feat':13,18 'iain':14,19 'jojo':11,16 'mackenzie':15,20 'mambo':21 'one':9 'session':4 'tonight':22 'va':2 'volume':5
                                    'search_combo'  '00poprockelectronic':13 '106':22 '2009':20 '2cd':19 '7':12C,18 'chillout':9C,15 'effect':4B,24,29 'electronic':35 'feat':5B,6B,25,30 'iain':7B,26,31 'jojo':3B,23,28 'mackenzie':8B,27,32 'mambo':1A,33 'one':21 'session':10C,16 'tonight':2A,34 'va':14 'volume':11C,17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'Q-SYN-3', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916774.0912373  (2021-11-14 20:06:14)
                             'size'  4760547