======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Dick Clark'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'Open Letter to the Older Generation'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blue', 'bilititas', 'pottery wordz', 'groovy', 'rx']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '140.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '140.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Open Letter to the Older Generation'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Clark'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['blue', 'bilititas', 'pottery wordz', 'groovy', 'rx']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.65 dB'
'TXXX:replaygain_track_peak'                        '0.502673'

========================== row from database ==========================
                                              'id'  650369
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Dick_Clark_-_Open_Letter_To_The_Older_Generation.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3098624
                                           'mtime'  1636916306
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs Dick_Clark_ _Open_Letter_To_The_Older_Generation electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Dick Clark
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Open Letter to the Older Generation
                                             'bpm'  140.5
                                    'search_title'  'generation':6 'letter':2 'older':5 'open':1 'the':4 'to':3
                                   'search_artist'  'clark':2 'dick':1
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'clark':4 'dick':3 'electronic':11 'experimental':12 'generation':10 'letter':6 'maniacs':2 'mor':22 'music':1 'oddness':13,15 'older':9 'open':5 'pl':17 'set':14,16,19,21 'shirleyspinoza':18,20 'the':8 'to':7
                                    'search_combo'  'clark':8B,15 'dick':7B,14 'electronic':22 'experimental':23 'for':10C 'generation':6A,21 'letter':2A,17 'maniacs':11C,13 'mor':33 'music':9C,12 'oddness':24,26 'older':5A,20 'open':1A,16 'pl':28 'set':25,27,30,32 'shirleyspinoza':29,31 'the':4A,19 'to':3A,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blue', 'bilititas', 'pottery wordz', 'groovy', 'rx']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916305.8333814  (2021-11-14 19:58:25)
                             'size'  3098624