======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '145'
                                          'artist'  'David Rose'
                                     'text_people'  ''
                                         'release'  'From CD - orig. Victor 27853'
                                           'title'  'Holiday For Strings'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'sonicuniverse', 'jazz', '50s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '118.9'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'From CD - orig. Victor 27853'
'TBPM' (BPM (beats per minute))                     '118.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1942'
'TIT2' (Title/songname/content description)         'Holiday For Strings'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Rose'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'sonicuniverse', 'jazz', '50s', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '0.527875'

========================== row from database ==========================
                                              'id'  745994
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1942) david rose & his orchestra - holiday for strings.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  145
                                           'genre'  electronic-unsorted
                                        'filesize'  1454937
                                           'mtime'  1620586901
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1942) david rose & his orchestra holiday for strings electronic unsorted
                                      'tag_artist'  David Rose
                                     'tag_release'  From CD - orig. Victor 27853
                                       'tag_title'  Holiday For Strings
                                             'bpm'  118.9
                                    'search_title'  'for':2 'holiday':1 'strings':3
                                   'search_artist'  'david':1 'rose':2
                                  'search_release'  '27853':6 'cd':2 'from':1 'orig':3,4 'victor':5
                                     'search_rest'  '1942':12,13 'age':3 'century':6 'david':14 'domestics':7 'electronic':21 'for':19 'his':16 'holiday':18 'jingles':8,9 'mid':5 'orchestra':17 'pop':4 'rose':15 'space':2 'strings':20 'themes':10,11 'unsorted':22 'va':1
                                    'search_combo'  '1942':23,24 '27853':11C 'age':14 'cd':7C 'century':17 'david':4B,25 'domestics':18 'electronic':32 'for':2A,30 'from':6C 'his':27 'holiday':1A,29 'jingles':19,20 'mid':16 'orchestra':28 'orig':8C,9C 'pop':15 'rose':5B,26 'space':13 'strings':3A,31 'themes':21,22 'unsorted':33 'va':12 'victor':10C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'sonicuniverse', 'jazz', '50s', 'easy listening']
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586901.284816  (2021-05-09 21:01:41)
                             'size'  1454937