======================== unified (from filesystem) ========================
                                         'bitrate'  '249.626'
                                        'duration'  '243'
                                          'artist'  'Fujiya & Miyagi'
                                     'text_people'  ''
                                         'release'  'Transparent Things'
                                           'title'  'Collarbone'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'electronica', 'electronic', 'experimental', 'indietronica']"
                                     'discogstags'  ("['electronic', 'rock', 'indie rock', 'prog rock', 'krautrock', 'space rock', "
 "'disco', 'post rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '112.947'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000009E7 000007D0 00005816'
'TALB' (Album/Movie/Show title)                     'Transparent Things'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Collarbone'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fujiya & Miyagi'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  ['electronic',
 'rock',
 'indie rock',
 'prog rock',
 'krautrock',
 'space rock',
 'disco',
 'post rock']
'TXXX:lastfmtags'                                   ['indie', 'electronica', 'electronic', 'experimental', 'indietronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.466464'

========================== row from database ==========================
                                              'id'  1319480
                                            'path'  /data/Music/Bulk/00poprockelectronic/Fujiya & Miyagi/Fujiya & Miyagi - Transparent things/Fujiya & Miyagi - Transparent Things - 02 - Collarbone.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  243
                                           'genre'  electronic-unsorted
                                        'filesize'  7607217
                                           'mtime'  1638544691
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic things 02 electronic unsorted
                                      'tag_artist'  Fujiya & Miyagi
                                     'tag_release'  Transparent Things
                                       'tag_title'  Collarbone
                                             'bpm'  112.947
                                    'search_title'  'collarbone':1
                                   'search_artist'  'fujiya':1 'miyagi':2
                                  'search_release'  'things':2 'transparent':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'things':2 'unsorted':4
                                    'search_combo'  '00poprockelectronic':6 'collarbone':1A 'electronic':8 'fujiya':2B 'miyagi':3B 'things':5C,7 'transparent':4C 'unsorted':9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'electronica', 'electronic', 'experimental', 'indietronica']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'indie rock', 'prog rock', 'krautrock', 'space rock', 'disco', 'post rock']

============================== file details ==============================
                                           'mtime'  1638544690.622757  (2021-12-03 16:18:10)
                             'size'  7607217