======================== unified (from filesystem) ========================
                                         'bitrate'  '320.013'
                                        'duration'  '191'
                                          'artist'  'Memphis Sheiks'
                                     'text_people'  ''
                                         'release'  'Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1'
                                           'title'  "He's In the Jailhouse Now"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'memphis', 'tennessee', 'blues: jug band', 'chillaxe']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '108.996'
                                             'key'  '9B'
                                        '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))                     '108.996'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "He's In the Jailhouse Now"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Memphis Sheiks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24'
'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'                                   ['blues', 'memphis', 'tennessee', 'blues: jug band', 'chillaxe']
'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'                        '+3.54 dB'
'TXXX:replaygain_track_peak'                        '0.433787'

========================== row from database ==========================
                                              'id'  1516368
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Good for What Ails You Music of the Medicine Shows, 1926-1937 - Disk1/24 - Memphis Sheiks - He_s In the Jailhouse Now.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  loc-namerica-country
                                        'filesize'  7670830
                                           'mtime'  1621627988
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 24 He_s loc namerica country
                                      'tag_artist'  Memphis Sheiks
                                     'tag_release'  Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1
                                       'tag_title'  He's In the Jailhouse Now
                                             'bpm'  108.996
                                    'search_title'  'he':1 'hes':3 'in':4 'jailhouse':6 'now':7 's':2 'the':5
                                   'search_artist'  'memphis':1 'sheiks':2
                                  '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'  '24':5 'country':4 'exotica':2 'he':6 'jazz':1 'loc':8 'namerica':9 'oldies':3 's':7
                                    'search_combo'  '1926':22C '19261937':24C '1937':23C '24':30 'ails':13C 'country':29 'disk1':25C 'exotica':27 'for':11C 'good':10C 'he':1A,31 'hes':3A 'in':4A 'jailhouse':6A 'jazz':26 'loc':33 'medicine':19C 'memphis':8B 'music':16C 'namerica':34 'now':7A 'of':17C 'oldies':28 's':2A,32 'sheiks':9B 'shows':20C,21C 'the':5A,18C 'what':12C 'you':14C,15C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  9B
                                           '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'  ['blues', 'memphis', 'tennessee', 'blues: jug band', 'chillaxe']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627987.5779672  (2021-05-21 22:13:07)
                             'size'  7670830