======================== unified (from filesystem) ========================
                                         'bitrate'  '239.608'
                                        'duration'  '342'
                                          'artist'  'Pearl Jam'
                                     'text_people'  ''
                                         'release'  '100 Greatest Guitar Solos'
                                           'title'  'Alive'
                                           'quals'  ("['Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'grunge', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '44'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '102.592'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '100 Greatest Guitar Solos'
'TBPM' (BPM (beats per minute))                     '102.592'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Alive'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pearl Jam'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '44'
'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:lastfmtags'                                   ['alternative rock', '90s', 'grunge', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.330238'

========================== row from database ==========================
                                              'id'  1357375
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/008 - Pearl Jam - Alive.mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  342
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  10271710
                                           'mtime'  1676053192
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 008 electronic generic or radio unsorted
                                      'tag_artist'  Pearl Jam
                                     'tag_release'  100 Greatest Guitar Solos
                                       'tag_title'  Alive
                                             'bpm'  102.592
                                    'search_title'  'alive':1
                                   'search_artist'  'jam':2 'pearl':1
                                  'search_release'  '100':1 'greatest':2 'guitar':3 'solos':4
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':8 '100':4C '90s':9 'alive':1A 'electronic':10 'generic':11 'greatest':5C 'guitar':6C 'jam':3B 'or':12 'pearl':2B 'radio':13 'solos':7C 'unsorted':14
                                    'tag_tracknum'  44
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'grunge', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053192.3441858  (2023-02-10 19:19:52)
                             'size'  10271710