======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Red Ingle and The Natural Seven (vocal by Main St. Choral Society)'
                                     'text_people'  ''
                                         'release'  'country and western songbook'
                                           'title'  'Cigarettes, whusky, and wild, wild women'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '48'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '97.225'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'country and western songbook'
'TBPM' (BPM (beats per minute))                     '97.225'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Cigarettes, whusky, and wild, wild women'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Ingle and The Natural Seven (vocal by Main St. Choral Society)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '48'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.415498'

========================== row from database ==========================
                                              'id'  475068
                                            'path'  /data/Music/Bulk/00localcharacter/america - country and western songbook - second - 0716/48 - Cigarettes, whusky, and wild, wild women - Red Ingle and The Natural Seven (vocal by Main St. Choral Society).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  loc-namerica-country
                                        'filesize'  3895615
                                           'mtime'  1621700238
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter america second 0716 48 loc namerica
                                      'tag_artist'  Red Ingle and The Natural Seven (vocal by Main St. Choral Society)
                                     'tag_release'  country and western songbook
                                       'tag_title'  Cigarettes, whusky, and wild, wild women
                                             'bpm'  97.225
                                    'search_title'  'and':5 'cigarettes':1,2 'whusky':3,4 'wild':6,7 'women':8
                                   'search_artist'  'and':3 'by':9 'choral':13 'ingle':2 'main':10 'natural':5 'red':1 'seven':6 'society':14,15 'st':11,12 'the':4 'vocal':7,8
                                  'search_release'  'and':2 'country':1 'songbook':4 'western':3
                                     'search_rest'  '0716':3 '48':4 'america':1 'loc':5 'namerica':6 'second':2
                                    'search_combo'  '0716':30 '48':31 'america':28 'and':5A,11B,25C 'by':17B 'choral':21B 'cigarettes':1A,2A 'country':24C 'ingle':10B 'loc':32 'main':18B 'namerica':33 'natural':13B 'red':9B 'second':29 'seven':14B 'society':22B,23B 'songbook':27C 'st':19B,20B 'the':12B 'vocal':15B,16B 'western':26C 'whusky':3A,4A 'wild':6A,7A 'women':8A
                                    'tag_tracknum'  48
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621700238.3238664  (2021-05-22 18:17:18)
                             'size'  3895615