======================== unified (from filesystem) ========================
                                         'bitrate'  '194.193'
                                        'duration'  '249'
                                          'artist'  'Gazebo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Like Chopin'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-vocals-4', 'q-mixbeat-3', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['80s', 'italo disco', 'italian', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '108.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunSMPB:eng'                                 (' 00000000 000006C0 0000069C 0000000000a78e24 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '108.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'I Like Chopin'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gazebo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'italo disco', 'italian', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.484216'

========================== row from database ==========================
                                              'id'  1353945
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Rose - The Best Italo Disco/Gazebo - I Like Chopin.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  249
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6048231
                                           'mtime'  1620610745
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Rose The Best Italo Disco electronic we disco or italo
                                      'tag_artist'  Gazebo
                                     'tag_release'  None
                                       'tag_title'  I Like Chopin
                                             'bpm'  108.3
                                    'search_title'  'chopin':3 'i':1 'like':2
                                   'search_artist'  'gazebo':1
                                  'search_release'  
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'best':8 'disco':3 'electronic':9 'italo':5 'or':11 'rose':6 'the':7 'waves':2 'we':10
                                    'search_combo'  '00disco':8 '00poprockelectronic':5 'best':12 'chopin':3A 'disco':7 'electronic':13 'gazebo':4B 'i':1A 'italo':9 'like':2A 'or':15 'rose':10 'the':11 'waves':6 'we':14
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-4', 'Q-PLAY-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'italo disco', 'italian', 'pop', 'disco']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610744.7758615  (2021-05-10 03:39:04)
                             'size'  6048231