======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '472'
                                          'artist'  'Andrea Arcangeli'
                                     'text_people'  ''
                                         'release'  'Parquet Recordings'
                                           'title'  'Cuore (Soul Button Remix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '122.0'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Parquet Recordings'
'TBPM' (BPM (beats per minute))                     '122.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Cuore (Soul Button Remix)'
'TKEY' (Initial key)                                '10B'
'TOAL' (Original album/movie/show title)            'Cuore'
'TPE1' (Lead performer(s)/Soloist(s))               'Andrea Arcangeli'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.42 dB'
'TXXX:replaygain_track_peak'                        '0.542735'

========================== row from database ==========================
                                              'id'  1351191
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Alex Rouk - Deep House 01/Andrea Arcangeli - Cuore (Soul Button Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  472
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  18942254
                                           'mtime'  1621085124
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Alex Rouk Deep House 01 electronic th techno minimal deephouse
                                      'tag_artist'  Andrea Arcangeli
                                     'tag_release'  Parquet Recordings
                                       'tag_title'  Cuore (Soul Button Remix)
                                             'bpm'  122.0
                                    'search_title'  'button':4 'cuore':1 'remix':5,6 'soul':2,3
                                   'search_artist'  'andrea':1 'arcangeli':2
                                  'search_release'  'parquet':1 'recordings':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'alex':6 'beats':5 'deep':8 'deephouse':13 'electronic':9 'harder':4 'house':3 'minimal':12 'rouk':7 'techno':11 'th':10
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 'alex':16 'andrea':7B 'arcangeli':8B 'beats':15 'button':4A 'cuore':1A 'deep':18 'deephouse':23 'electronic':19 'harder':14 'house':13 'minimal':22 'parquet':9C 'recordings':10C 'remix':5A,6A 'rouk':17 'soul':2A,3A 'techno':21 'th':20
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085124.1582756  (2021-05-15 15:25:24)
                             'size'  18942254