======================== unified (from filesystem) ========================
                                         'bitrate'  '320.014'
                                        'duration'  '183'
                                          'artist'  'Jim Jackson'
                                     'text_people'  ''
                                         'release'  'Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1'
                                           'title'  'By, Bye, Policeman'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
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 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['folk', 'blues', '20s', 'americana', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '105.532'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1'
'TBPM' (BPM (beats per minute))                     '105.532'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'By, Bye, Policeman'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jim Jackson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['folk', 'blues', '20s', 'americana', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.504460'

========================== row from database ==========================
                                              'id'  675658
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Good for What Ails You Music of the Medicine Shows, 1926-1937 - Disk1/09 - Jim Jackson - By, Bye, Policeman.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  183
                                           'genre'  loc-namerica-country
                                        'filesize'  7347299
                                           'mtime'  1621627982
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 09 loc namerica country
                                      'tag_artist'  Jim Jackson
                                     'tag_release'  Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1
                                       'tag_title'  By, Bye, Policeman
                                             'bpm'  105.532
                                    'search_title'  'by':1,2 'bye':3,4 'policeman':5
                                   'search_artist'  'jackson':2 'jim':1
                                  'search_release'  '1926':13 '19261937':15 '1937':14 'ails':4 'disk1':16 'for':2 'good':1 'medicine':10 'music':7 'of':8 'shows':11,12 'the':9 'what':3 'you':5,6
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'loc':5 'namerica':6 'oldies':3
                                    'search_combo'  '1926':20C '19261937':22C '1937':21C 'ails':11C 'by':1A,2A 'bye':3A,4A 'country':27 'disk1':23C 'exotica':25 'for':9C 'good':8C 'jackson':7B 'jazz':24 'jim':6B 'loc':28 'medicine':17C 'music':14C 'namerica':29 'of':15C 'oldies':26 'policeman':5A 'shows':18C,19C 'the':16C 'what':10C 'you':12C,13C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'blues', '20s', 'americana', 'all']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627982.2074354  (2021-05-21 22:13:02)
                             'size'  7347299