======================== unified (from filesystem) ========================
                                         'bitrate'  '243.631'
                                        'duration'  '203'
                                          'artist'  'Blah Blah Blah'
                                     'text_people'  ''
                                         'release'  "Vomit Over the Cuckoo's Nest"
                                           'title'  'Very Nice'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['chicago', 'experimental', 'uk', 'avant-garde', 'all']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '117.9'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Vomit Over the Cuckoo's Nest"
'TBPM' (BPM (beats per minute))                     '117.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Very Nice'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Blah Blah Blah'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['chicago', 'experimental', 'uk', 'avant-garde', 'all']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.448548'

========================== row from database ==========================
                                              'id'  1531582
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Vomit Over the Cuckoo_s Nest/08 Blah Blah Blah - Very Nice.mp3
                                         'working'  None
                                         'bitrate'  243
                                    'duration_sec'  203
                                           'genre'  electronic-unsorted
                                        'filesize'  6188073
                                           'mtime'  1637933207
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Cuckoo_s 08 electronic unsorted
                                      'tag_artist'  Blah Blah Blah
                                     'tag_release'  Vomit Over the Cuckoo's Nest
                                       'tag_title'  Very Nice
                                             'bpm'  117.9
                                    'search_title'  'nice':2 'very':1
                                   'search_artist'  'blah':1
                                  'search_release'  'cuckoo':4 'cuckoos':6 'nest':7 'over':2 's':5 'the':3 'vomit':1
                                     'search_rest'  'cuckoo':1 'electronic':3 's':2 'unsorted':4
                                    'search_combo'  'blah':3B 'cuckoo':7C,11 'cuckoos':9C 'electronic':13 'nest':10C 'nice':2A 'over':5C 's':8C,12 'the':6C 'unsorted':14 'very':1A 'vomit':4C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chicago', 'experimental', 'uk', 'avant-garde', 'all']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1637933207.4671326  (2021-11-26 14:26:47)
                             'size'  6188073