======================== unified (from filesystem) ========================
                                         'bitrate'  '233.548'
                                        'duration'  '283'
                                          'artist'  'Incubus'
                                     'text_people'  ''
                                         'release'  'Morning View'
                                           'title'  'Nice To Know You'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'rock']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '13'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '102.696'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Morning View'
'TBPM' (BPM (beats per minute))                     '102.696'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Nice To Know You'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Incubus'
'TRCK' (Track number/Position in set)               '01/13'
'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'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.386724'

========================== row from database ==========================
                                              'id'  1333184
                                            'path'  /data/Music/Bulk/00poprockelectronic/Incubus/Morning View/01 - Nice To Know You.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  283
                                           'genre'  rock-pop
                                        'filesize'  8277474
                                           'mtime'  1636917870
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 rock pop
                                      'tag_artist'  Incubus
                                     'tag_release'  Morning View
                                       'tag_title'  Nice To Know You
                                             'bpm'  102.696
                                    'search_title'  'know':3 'nice':1 'to':2 'you':4
                                   'search_artist'  'incubus':1
                                  'search_release'  'morning':1 'view':2
                                     'search_rest'  '00poprockelectronic':1 'pop':3 'rock':2
                                    'search_combo'  '00poprockelectronic':8 'incubus':5B 'know':3A 'morning':6C 'nice':1A 'pop':10 'rock':9 'to':2A 'view':7C 'you':4A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1636917869.8742416  (2021-11-14 20:24:29)
                             'size'  8277474