======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '253'
                                          'artist'  'Cat Stevens'
                                     'text_people'  ''
                                         'release'  'Teaser And The Firecat'
                                           'title'  'Peace Train'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '84.140'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Teaser And The Firecat'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Peace Train'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cat Stevens'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'pop rock']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.855164'

========================== row from database ==========================
                                              'id'  1387445
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Cat Stevens/MBZ;#Cat Stevens;#Teaser And The Firecat;#10;#Peace Train.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  253
                                           'genre'  rock-cppex
                                        'filesize'  10157560
                                           'mtime'  1642341142
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted MBZ;#Cat Stevens;#Teaser Firecat;#10;#Peace rock cppex
                                      'tag_artist'  Cat Stevens
                                     'tag_release'  Teaser And The Firecat
                                       'tag_title'  Peace Train
                                             'bpm'  84.14
                                    'search_title'  'peace':1 'train':2
                                   'search_artist'  'cat':1 'stevens':2
                                  'search_release'  'and':2 'firecat':4 'teaser':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '10':12,15 'cat':4,6 'cppex':18 'firecat':11,14 'mbz':3,5 'peace':13,16 'rock':17 'stevens':7,9 'teaser':8,10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 '10':20,23 'and':6C 'cat':3B,12,14 'cppex':26 'firecat':8C,19,22 'mbz':11,13 'peace':1A,21,24 'rock':25 'stevens':4B,15,17 'teaser':5C,16,18 'the':7C 'train':2A 'unsorted':10
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'classic rock', 'folk', 'singer songwriter']
                                        'tag_date'  1971
                                     'discogstags'  ['rock', 'folk rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1642341142.0827994  (2022-01-16 14:52:22)
                             'size'  10157560