======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '172'
                                          'artist'  "Hager's Orchestra"
                                     'text_people'  ''
                                         'release'  'Columbia  1555'
                                           'title'  'Peaceful Henry (A Slow Drag)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ragtime', 'schellack-schatz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1903'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '143.925'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia  1555'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1903'
'TIT2' (Title/songname/content description)         'Peaceful Henry (A Slow Drag)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               "Hager's Orchestra"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ragtime', 'schellack-schatz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.461907'

========================== row from database ==========================
                                              'id'  1510252
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1903/Hager_s Orchestra - Peaceful Henry (A Slow Drag) -11-1903.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  172
                                           'genre'  prerock-swing
                                        'filesize'  3454620
                                           'mtime'  1621089162
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1903 Hager_s 11 1903 prerock swing
                                      'tag_artist'  Hager's Orchestra
                                     'tag_release'  Columbia  1555
                                       'tag_title'  Peaceful Henry (A Slow Drag)
                                             'bpm'  143.925
                                    'search_title'  'a':3,4 'drag':6,7 'henry':2 'peaceful':1 'slow':5
                                   'search_artist'  'hager':1 'hagers':3 'orchestra':4 's':2
                                  'search_release'  '1555':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1903':6 'country':4 'exotica':2 'hager':7 'jazz':1 'oldies':3 'prerock':9 's':8 'swing':10
                                    'search_combo'  '00oldiepop':18 '1555':13C '1903':19 'a':3A,4A 'columbia':12C 'country':17 'drag':6A,7A 'exotica':15 'hager':8B,20 'hagers':10B 'henry':2A 'jazz':14 'oldies':16 'orchestra':11B 'peaceful':1A 'prerock':22 's':9B,21 'slow':5A 'swing':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['ragtime', 'schellack-schatz']
                                        'tag_date'  1903
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621089161.586722  (2021-05-15 16:32:41)
                             'size'  3454620