======================== unified (from filesystem) ========================
                                         'bitrate'  '231.061'
                                        'duration'  '454'
                                          'artist'  'Noisia'
                                     'text_people'  ''
                                         'release'  'Monster'
                                           'title'  'The Distance'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'neurofunk', 'drum n bass', 'techstep', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '114.544'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monster'
'TBPM' (BPM (beats per minute))                     '114.544'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Distance'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Noisia'
'TRCK' (Track number/Position in set)               '2'
'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'
'TXXX:lastfmtags'                                   ['drum and bass', 'neurofunk', 'drum n bass', 'techstep', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.506209'

========================== row from database ==========================
                                              'id'  1320899
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Noisia/Noisia-Monster_EP-SUBTITLES042-2005-sour/B-Noisia-The_Distance-sour.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  454
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  13122550
                                           'mtime'  1621696606
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Monster_EP SUBTITLES042 2005 sour B The_Distance sour electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Noisia
                                     'tag_release'  Monster
                                       'tag_title'  The Distance
                                             'bpm'  114.544
                                    'search_title'  'distance':2 'the':1
                                   'search_artist'  'noisia':1
                                  'search_release'  'monster':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '2005':6 'b':8 'breakbeat':13 'distance':10 'dnb':15 'electronic':11 'ep':4 'jungle':16 'monster':3 'or':14 'sour':7 'subtitles042':5 'th':12 'the':9
                                    'search_combo'  '00dnb':6 '00poprockelectronic':5 '2005':10 'b':12 'breakbeat':17 'distance':2A,14 'dnb':19 'electronic':15 'ep':8 'jungle':20 'monster':4C,7 'noisia':3B 'or':18 'sour':11 'subtitles042':9 'th':16 'the':1A,13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'neurofunk', 'drum n bass', 'techstep', 'dnb']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696606.3393815  (2021-05-22 17:16:46)
                             'size'  13122550