======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '313'
                                          'artist'  'Aerosmith'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Crazy'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', '80s', 'classic rock', '70s', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex'
                                             'bpm'  '108.297'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '108.297'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Crazy'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Aerosmith'
'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:lastfmtags'                                   ['hard rock', '80s', 'classic rock', '70s', '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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.439070'

========================== row from database ==========================
                                              'id'  1316705
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/071 - Aerosmith - Crazy (1994).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  313
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex
                                        'filesize'  4397645
                                           'mtime'  1678456074
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 071 (1994) electronic generic or radio unsorted;rock cppex
                                      'tag_artist'  Aerosmith
                                     'tag_release'  None
                                       'tag_title'  Crazy
                                             'bpm'  108.297
                                    'search_title'  'crazy':1
                                   'search_artist'  'aerosmith':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1994':3,4 '90s':2 'cppex':13 'electronic':5 'generic':6 'or':7 'radio':8 'rock':10,12 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':3 '1994':5,6 '90s':4 'aerosmith':2B 'cppex':15 'crazy':1A 'electronic':7 'generic':8 'or':9 'radio':10 'rock':12,14 'unsorted':11,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', '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-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['hard rock', '80s', 'classic rock', '70s', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678456073.791731  (2023-03-10 14:47:53)
                             'size'  4397645