======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '276'
                                          'artist'  'Bush'
                                     'text_people'  ''
                                         'release'  'The Science of Things'
                                           'title'  'Letting the Cables Sleep'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'grunge', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '132.531'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Chillout; Sleep; Driving; Lo'
'TALB' (Album/Movie/Show title)                     'The Science of Things'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Letting the Cables Sleep'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bush'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.558701'

========================== row from database ==========================
                                              'id'  1329735
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bush/MBZ;#Bush;#The Science of Things;#11;#Letting the Cables Sleep.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  276
                                           'genre'  rock-unsorted
                                        'filesize'  4428571
                                           'mtime'  1676053198
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Bush;#The Things;#11;#Letting rock unsorted
                                      'tag_artist'  Bush
                                     'tag_release'  The Science of Things
                                       'tag_title'  Letting the Cables Sleep
                                             'bpm'  132.531
                                    'search_title'  'cables':3 'letting':1 'sleep':4 'the':2
                                   'search_artist'  'bush':1
                                  'search_release'  'of':3 'science':2 'the':1 'things':4
                                     'search_rest'  '00poprockelectronic':1 '11':9,12 'bush':3,6 'letting':10,13 'mbz':2,5 'rock':14 'the':4,7 'things':8,11 'unsorted':15
                                    'search_combo'  '00poprockelectronic':10 '11':18,21 'bush':5B,12,15 'cables':3A 'letting':1A,19,22 'mbz':11,14 'of':8C 'rock':23 'science':7C 'sleep':4A 'the':2A,6C,13,16 'things':9C,17,20 'unsorted':24
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-3', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053198.4596655  (2023-02-10 19:19:58)
                             'size'  4428571