======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '313'
                                          'artist'  'Blue Man Group'
                                     'text_people'  ''
                                         'release'  'The Complex'
                                           'title'  'I Feel Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'electronica', 'electronic', 'experimental', 'rock']"
                                     'discogstags'  "['electronic', 'industrial', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '90.614'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Complex'
'TBPM' (BPM (beats per minute))                     '90.614'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'I Feel Love'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blue Man Group'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'industrial', 'experimental']
'TXXX:lastfmtags'                                   ['instrumental', 'electronica', 'electronic', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.495378'

========================== row from database ==========================
                                              'id'  1289126
                                            'path'  /data/Music/Bulk/00poprockelectronic/Blue Man Group/MBZ;#Blue Man Group;#The Complex;#13;#I Feel Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  electronic-unsorted
                                        'filesize'  7536657
                                           'mtime'  1622756710
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Blue Group;#The Complex;#13;#I electronic unsorted
                                      'tag_artist'  Blue Man Group
                                     'tag_release'  The Complex
                                       'tag_title'  I Feel Love
                                             'bpm'  90.614
                                    'search_title'  'feel':2 'i':1 'love':3
                                   'search_artist'  'blue':1 'group':3 'man':2
                                  'search_release'  'complex':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '13':11,14 'blue':3,5 'complex':10,13 'electronic':16 'group':6,8 'i':12,15 'mbz':2,4 'the':7,9 'unsorted':17
                                    'search_combo'  '00poprockelectronic':9 '13':19,22 'blue':4B,11,13 'complex':8C,18,21 'electronic':24 'feel':2A 'group':6B,14,16 'i':1A,20,23 'love':3A 'man':5B 'mbz':10,12 'the':7C,15,17 'unsorted':25
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronica', 'electronic', 'experimental', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'industrial', 'experimental']

============================== file details ==============================
                                           'mtime'  1622756710.3430932  (2021-06-03 23:45:10)
                             'size'  7536657