======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '169'
                                          'artist'  'Primo Scala'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1948'
                                           'title'  'Underneath The Arches'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'christmas', '1948', 'yule', '1401fh']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1948'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '119.335'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1948'
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1948'
'TIT2' (Title/songname/content description)         'Underneath The Arches'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Primo Scala'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['oldies', 'christmas', '1948', 'yule', '1401fh']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.556650'

========================== row from database ==========================
                                              'id'  1331925
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1948/32 Primo Scala - Underneath The Arches.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  169
                                           'genre'  prerock-unsorted
                                        'filesize'  2714776
                                           'mtime'  1676045879
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 32 prerock unsorted
                                      'tag_artist'  Primo Scala
                                     'tag_release'  Billboard Top Pop Singles of 1948
                                       'tag_title'  Underneath The Arches
                                             'bpm'  119.335
                                    'search_title'  'arches':3 'the':2 'underneath':1
                                   'search_artist'  'primo':1 'scala':2
                                  'search_release'  '1948':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '32':3 'prerock':4 'top100':2 'unsorted':5
                                    'search_combo'  '00poprockelectronic':12 '1948':11C '32':14 'arches':3A 'billboard':6C 'of':10C 'pop':8C 'prerock':15 'primo':4B 'scala':5B 'singles':9C 'the':2A 'top':7C 'top100':13 'underneath':1A 'unsorted':16
                                    'tag_tracknum'  31
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'christmas', '1948', 'yule', '1401fh']
                                        'tag_date'  1948
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1676045879.2441435  (2023-02-10 17:17:59)
                             'size'  2714776