======================== unified (from filesystem) ========================
                                         'bitrate'  '201.011'
                                        'duration'  '465'
                                          'artist'  'Martinelli'
                                     'text_people'  ''
                                         'release'  'I Love Disco Diamonds'
                                           'title'  'Cenerentola (Cinderella)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'italo disco', 'pop', 'disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '105.094'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         ' '
'COMM:iTunSMPB:eng'                                 (' 00000000 00000000 00000000 0000000000000000 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'I Love Disco Diamonds'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Cenerentola (Cinderella)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martinelli'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'italo disco', 'pop', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.476498'

========================== row from database ==========================
                                              'id'  1286400
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Martinelli - The Best Italo Disco/(01) [Martinelli] Cenerentola (Cinderella).mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  465
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  11712344
                                           'mtime'  1620609610
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo The Best Italo (01) [Martinelli] electronic we disco or italo
                                      'tag_artist'  Martinelli
                                     'tag_release'  I Love Disco Diamonds
                                       'tag_title'  Cenerentola (Cinderella)
                                             'bpm'  105.094
                                    'search_title'  'cenerentola':1 'cinderella':2,3
                                   'search_artist'  'martinelli':1
                                  'search_release'  'diamonds':4 'disco':3 'i':1 'love':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '01':8,9 'best':7 'disco':3 'electronic':12 'italo':5 'martinelli':10,11 'or':14 'the':6 'waves':2 'we':13
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '01':16,17 'best':15 'cenerentola':1A 'cinderella':2A,3A 'diamonds':8C 'disco':7C,11 'electronic':20 'i':5C 'italo':13 'love':6C 'martinelli':4B,18,19 'or':22 'the':14 'waves':10 'we':21
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', 'italo disco', 'pop', 'disco']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620609609.7246902  (2021-05-10 03:20:09)
                             'size'  11712344