======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Leftfield'
                                     'text_people'  ''
                                         'release'  'Trainspotting'
                                           'title'  'A Final Hit'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '108.297'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Trainspotting'
'TBPM' (BPM (beats per minute))                     '108.297'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'A Final Hit'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leftfield'
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.64 dB'
'TXXX:replaygain_track_peak'                        '0.961115'

========================== row from database ==========================
                                              'id'  1350287
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0980 - Trainspotting - Soundtrack Orange__cifs694a.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4701134
                                           'mtime'  1621696861
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0980 Soundtrack Orange__cifs694a electronic generic or radio unsorted
                                      'tag_artist'  Leftfield
                                     'tag_release'  Trainspotting
                                       'tag_title'  A Final Hit
                                             'bpm'  108.297
                                    'search_title'  'a':1 'final':2 'hit':3
                                   'search_artist'  'leftfield':1
                                  'search_release'  'trainspotting':1
                                     'search_rest'  '00poprockelectronic':1 '0980':5 '1000':4 'album':2 'cifs694a':8 'electronic':9 'generic':10 'or':11 'orange':7 'radio':12 'soundtrack':6 'top':3 'unsorted':13
                                    'search_combo'  '00poprockelectronic':6 '0980':10 '1000':9 'a':1A 'album':7 'cifs694a':13 'electronic':14 'final':2A 'generic':15 'hit':3A 'leftfield':4B 'or':16 'orange':12 'radio':17 'soundtrack':11 'top':8 'trainspotting':5C 'unsorted':18
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'chillout']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696861.4775162  (2021-05-22 17:21:01)
                             'size'  4701134