======================== unified (from filesystem) ========================
                                         'bitrate'  '215.267'
                                        'duration'  '489'
                                          'artist'  'Infected Mushroom'
                                     'text_people'  ''
                                         'release'  'Stretched'
                                           'title'  'The Beauty & The Beat'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '145.059'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stretched'
'TBPM' (BPM (beats per minute))                     '145.059'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Beauty & The Beat'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Infected Mushroom'
'TRCK' (Track number/Position in set)               '4'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.510278'

========================== row from database ==========================
                                              'id'  1286055
                                            'path'  /data/Music/Bulk/00poprockelectronic/Infected Mushroom/04_infected_mushroom-the_beauty_and_the_beat-fwyh.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  489
                                           'genre'  electronic-th-techno
                                        'filesize'  13184497
                                           'mtime'  1620569839
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04_infected_mushroom the_beauty_and_the_beat fwyh electronic th techno
                                      'tag_artist'  Infected Mushroom
                                     'tag_release'  Stretched
                                       'tag_title'  The Beauty & The Beat
                                             'bpm'  145.059
                                    'search_title'  'beat':3 'beauty':2 'the':1
                                   'search_artist'  'infected':1 'mushroom':2
                                  'search_release'  'stretched':1
                                     'search_rest'  '00poprockelectronic':1 '04':2 'and':7 'beat':9 'beauty':6 'electronic':11 'fwyh':10 'infected':3 'mushroom':4 'techno':13 'th':12 'the':5,8
                                    'search_combo'  '00poprockelectronic':7 '04':8 'and':13 'beat':3A,15 'beauty':2A,12 'electronic':17 'fwyh':16 'infected':4B,9 'mushroom':5B,10 'stretched':6C 'techno':19 'th':18 'the':1A,11,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620569838.7828507  (2021-05-09 16:17:18)
                             'size'  13184497