======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  "Bennie Moten's Kansas City Orchestra"
                                     'text_people'  ''
                                         'release'  '1927-1929 {Chronological Classics, 558}'
                                           'title'  'Tough Breaks'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '23'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '92.602'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1927-1929 {Chronological Classics, 558}'
'TBPM' (BPM (beats per minute))                     '92.602'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Tough Breaks'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Bennie Moten's Kansas City Orchestra"
'TRCK' (Track number/Position in set)               '9/23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.30 dB'
'TXXX:replaygain_track_peak'                        '0.555036'

========================== row from database ==========================
                                              'id'  1119496
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bennie Moten - 1927-1929 {CC, 558}/09. Tough Breaks.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6916392
                                           'mtime'  1620528201
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country {CC, 09. prerock jb jazz unsorted
                                      'tag_artist'  Bennie Moten's Kansas City Orchestra
                                     'tag_release'  1927-1929 {Chronological Classics, 558}
                                       'tag_title'  Tough Breaks
                                             'bpm'  92.602
                                    'search_title'  'breaks':2 'tough':1
                                   'search_artist'  'bennie':1 'city':6 'kansas':5 'moten':2 'motens':4 'orchestra':7 's':3
                                  'search_release'  '1927':1 '19271929':3 '1929':2 '558':7 'chronological':4 'classics':5,6
                                     'search_rest'  '09':7,8 'cc':5,6 'country':4 'exotica':2 'jazz':1 'jb':10 'oldies':3 'prerock':9 'unsorted':11
                                    'search_combo'  '09':23,24 '1927':10C '19271929':12C '1929':11C '558':16C 'bennie':3B 'breaks':2A 'cc':21,22 'chronological':13C 'city':8B 'classics':14C,15C 'country':20 'exotica':18 'jazz':17 'jb':26 'kansas':7B 'moten':4B 'motens':6B 'oldies':19 'orchestra':9B 'prerock':25 's':5B 'tough':1A 'unsorted':27
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528201.311236  (2021-05-09 04:43:21)
                             'size'  6916392