======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '218'
                                          'artist'  'Guano Apes'
                                     'text_people'  ''
                                         'release'  'Walking on a Thin Line'
                                           'title'  'Counting The Days'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-alt;set-pl-mor'
                                             'bpm'  '115.655'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Walking on a Thin Line'
'TBPM' (BPM (beats per minute))                     '115.655'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-alt', 'set-pl-mor']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Counting The Days'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guano Apes'
'TRCK' (Track number/Position in set)               '12'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.397158'

========================== row from database ==========================
                                              'id'  1341834
                                            'path'  /data/Music/Bulk/00poprockelectronic/Guano Apes/Walking on a Thin Line/MBZ;#Guano Apes;#Walking on a Thin Line;#12;#Counting The Days.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  218
                                           'genre'  rock-gr-alt;set-pl-mor
                                        'filesize'  5248896
                                           'mtime'  1636902921
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Guano Apes;#Walking Line;#12;#Counting rock gr alt;set pl mor
                                      'tag_artist'  Guano Apes
                                     'tag_release'  Walking on a Thin Line
                                       'tag_title'  Counting The Days
                                             'bpm'  115.655
                                    'search_title'  'counting':1 'days':3 'the':2
                                   'search_artist'  'apes':2 'guano':1
                                  'search_release'  'a':3 'line':5 'on':2 'thin':4 'walking':1
                                     'search_rest'  '00poprockelectronic':1 '12':11,14 'alt':18,20 'apes':6,8 'counting':12,15 'gr':17 'guano':3,5 'line':10,13 'mbz':2,4 'mor':23 'pl':22 'rock':16 'set':19,21 'walking':7,9
                                    'search_combo'  '00poprockelectronic':11 '12':21,24 'a':8C 'alt':28,30 'apes':5B,16,18 'counting':1A,22,25 'days':3A 'gr':27 'guano':4B,13,15 'line':10C,20,23 'mbz':12,14 'mor':33 'on':7C 'pl':32 'rock':26 'set':29,31 'the':2A 'thin':9C 'walking':6C,17,19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636902921.1920915  (2021-11-14 16:15:21)
                             'size'  5248896