======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '378'
                                          'artist'  'Edmund Welles'
                                     'text_people'  'Butler/Iommi/Osbourne/Ward'
                                         'release'  'Music for Maniacs'
                                           'title'  'Into the Void'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['bass clarinet', 'instrumental', 'clarinet', 'experimental']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '100.9'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '100.9'
'TCOM' (Composer)                                   'Butler/Iommi/Osbourne/Ward'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Into the Void'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Edmund Welles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Zeroth Law'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['bass clarinet', 'instrumental', 'clarinet', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.424470'

========================== row from database ==========================
                                              'id'  648299
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Edmund_Welles_-_Into_the_void.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  378
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  9074688
                                           'mtime'  1636916312
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Edmund_Welles_ _Into_the_void electronic experimental oddness
                                      'tag_artist'  Edmund Welles
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Into the Void
                                             'bpm'  100.9
                                    'search_title'  'into':1 'the':2 'void':3
                                   'search_artist'  'edmund':1 'welles':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'edmund':3 'electronic':8 'experimental':9 'into':5 'maniacs':2 'music':1 'oddness':10 'the':6 'void':7 'welles':4
                                    'search_combo'  'edmund':4B,11 'electronic':16 'experimental':17 'for':7C 'into':1A,13 'maniacs':8C,10 'music':6C,9 'oddness':18 'the':2A,14 'void':3A,15 'welles':5B,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bass clarinet', 'instrumental', 'clarinet', 'experimental']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636916311.605683  (2021-11-14 19:58:31)
                             'size'  9074688