======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '366'
                                          'artist'  'Freddy Ventura'
                                     'text_people'  ''
                                         'release'  'Disco Sickness'
                                           'title'  'Disco Samba'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '137.385'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'Disco Sickness'
'TBPM' (BPM (beats per minute))                     '137.385'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT2' (Title/songname/content description)         'Disco Samba'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddy Ventura'
'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'                                  'funk / soul'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.564451'

========================== row from database ==========================
                                              'id'  1303329
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/306_16_Freddy_Ventura_-_Disco_Samba.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  366
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8933158
                                           'mtime'  1620565308
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 306_16_Freddy_Ventura_ _Disco_Samba electronic we disco or italo
                                      'tag_artist'  Freddy Ventura
                                     'tag_release'  Disco Sickness
                                       'tag_title'  Disco Samba
                                             'bpm'  137.385
                                    'search_title'  'disco':1 'samba':2
                                   'search_artist'  'freddy':1 'ventura':2
                                  'search_release'  'disco':1 'sickness':2
                                     'search_rest'  '00poprockelectronic':1 '16':3 '306':2 'disco':6,10 'electronic':8 'freddy':4 'italo':12 'or':11 'samba':7 'ventura':5 'we':9
                                    'search_combo'  '00poprockelectronic':7 '16':9 '306':8 'disco':1A,5C,12,16 'electronic':14 'freddy':3B,10 'italo':18 'or':17 'samba':2A,13 'sickness':6C 'ventura':4B,11 'we':15
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11B
                                           '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-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620565308.4810996  (2021-05-09 15:01:48)
                             'size'  8933158