======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '343'
                                          'artist'  'Deus'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'One Advice, Space'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'belgian', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '108.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'One Advice, Space'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deus'
'TXXX:Mp3gain_minmax'                               '106,182'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'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', 'indie', 'alternative', 'belgian', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.476162'

========================== row from database ==========================
                                              'id'  1366160
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/dEUS/The Ideal Crash/Deus - One Advice, Space.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  343
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6872368
                                           'mtime'  1637330382
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock dEUS The Ideal Crash ifs songwriter indie rock
                                      'tag_artist'  Deus
                                     'tag_release'  None
                                       'tag_title'  One Advice, Space
                                             'bpm'  108.8
                                    'search_title'  'advice':2,3 'one':1 'space':4
                                   'search_artist'  'deus':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'crash':7 'd':12 'deus':4 'eus':13 'ideal':6 'ifs':8 'indie':10 'indierock':3 'poprock':2 'rock':11 'songwriter':9 'the':5
                                    'search_combo'  '00poprockelectronic':6 'advice':2A,3A 'crash':12 'd':17 'deus':5B,9 'eus':18 'ideal':11 'ifs':13 'indie':15 'indierock':8 'one':1A 'poprock':7 'rock':16 'songwriter':14 'space':4A 'the':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'belgian', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330382.007814  (2021-11-19 14:59:42)
                             'size'  6872368