======================== unified (from filesystem) ========================
                                         'bitrate'  '155.663'
                                        'duration'  '195'
                                          'artist'  'Cowen Powers'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol: 5131'
                                           'title'  'The wild and reckless hobo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']")
                                      'lastfmtags'  "['folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '112.758'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Edison Blue Amberol: 5131'
'TBPM' (BPM (beats per minute))                     '112.758'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'The wild and reckless hobo'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cowen Powers'
'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'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.639862'

========================== row from database ==========================
                                              'id'  967928
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Cowen Powers - The wild and reckless hobo 1926 (Edison Cylinder).wma.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  195
                                           'genre'  loc-namerica-country
                                        'filesize'  3811603
                                           'mtime'  1621628053
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music 1926 (Edison Cylinder).wma loc namerica country
                                      'tag_artist'  Cowen Powers
                                     'tag_release'  Edison Blue Amberol: 5131
                                       'tag_title'  The wild and reckless hobo
                                             'bpm'  112.758
                                    'search_title'  'and':3 'hobo':5 'reckless':4 'the':1 'wild':2
                                   'search_artist'  'cowen':1 'powers':2
                                  'search_release'  '5131':5 'amberol':3,4 'blue':2 'edison':1
                                     'search_rest'  '1926':7 'country':4 'cylinder':10 'cylinderwma':12 'edison':8,9 'exotica':2 'jazz':1 'loc':13 'music':6 'namerica':14 'old':5 'oldies':3 'wma':11
                                    'search_combo'  '1926':19 '5131':12C 'amberol':10C,11C 'and':3A 'blue':9C 'country':16 'cowen':6B 'cylinder':22 'cylinderwma':24 'edison':8C,20,21 'exotica':14 'hobo':5A 'jazz':13 'loc':25 'music':18 'namerica':26 'old':17 'oldies':15 'powers':7B 'reckless':4A 'the':1A 'wild':2A 'wma':23
                                    'tag_tracknum'  None
                                      '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['folk']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628053.1764235  (2021-05-21 22:14:13)
                             'size'  3811603