======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  'The 101-Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'On Broadway'
                                           'title'  'If I were a rich man - "Fiddler on the roof"'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-3', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '142.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'On Broadway'
'TBPM' (BPM (beats per minute))                     '142.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'If I were a rich man - "Fiddler on the roof"'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The 101-Strings Orchestra'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.596781'

========================== row from database ==========================
                                              'id'  1479446
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1993 - On Broadway/13 - If I Were A Rich Man.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  7723802
                                           'mtime'  1621705557
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1993 13 Were A Rich Man electronic generic or radio easy listening
                                      'tag_artist'  The 101-Strings Orchestra
                                     'tag_release'  On Broadway
                                       'tag_title'  If I were a rich man - "Fiddler on the roof"
                                             'bpm'  142.5
                                    'search_title'  'a':4 'fiddler':7 'i':2 'if':1 'man':6 'on':8 'rich':5 'roof':10 'the':9 'were':3
                                   'search_artist'  '101':2 '101strings':4 'orchestra':5 'strings':3 'the':1
                                  'search_release'  'broadway':2 'on':1
                                     'search_rest'  '1993':5 'a':7 'country':4 'easy':14 'electronic':10 'exotica':2 'generic':11 'jazz':1 'listening':15 'man':9 'oldies':3 'or':12 'radio':13 'rich':8 'were':6
                                    'search_combo'  '101':12B '101strings':14B '1993':22 'a':4A,24 'broadway':17C 'country':21 'easy':31 'electronic':27 'exotica':19 'fiddler':7A 'generic':28 'i':2A 'if':1A 'jazz':18 'listening':32 'man':6A,26 'oldies':20 'on':8A,16C 'or':29 'orchestra':15B 'radio':30 'rich':5A,25 'roof':10A 'strings':13B 'the':9A,11B 'were':3A,23
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-3']
                                      'lastfmtags'  ['instrumental', 'easy listening', 'classical', 'edhits', 'myhits']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705556.921192  (2021-05-22 19:45:56)
                             'size'  7723802