======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '344'
                                          'artist'  'Tim Weisberg'
                                     'text_people'  ''
                                         'release'  'American Popcorn (vol 2)'
                                           'title'  "Comin' Home Baby"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-3', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'classic rock', 'flute', 'flautist', '5 times or less']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '120.471'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'American Popcorn (vol 2)'
'TBPM' (BPM (beats per minute))                     '120.471'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "Comin' Home Baby"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Weisberg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'classic rock', 'flute', 'flautist', '5 times or less']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.787422'

========================== row from database ==========================
                                              'id'  1513590
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Vol. 2/13 - Tim Weisberg - Comin_ Home Baby.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  344
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  8281605
                                           'mtime'  1620537153
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Vol. 13 Comin_ prerock jb jazz unsorted
                                      'tag_artist'  Tim Weisberg
                                     'tag_release'  American Popcorn (vol 2)
                                       'tag_title'  Comin' Home Baby
                                             'bpm'  120.471
                                    'search_title'  'baby':4 'comin':1,2 'home':3
                                   'search_artist'  'tim':1 'weisberg':2
                                  'search_release'  '2':5,6 'american':1 'popcorn':2 'vol':3,4
                                     'search_rest'  'comin':7 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 'unsorted':10 'vol':5,6
                                    'search_combo'  '2':11C,12C 'american':7C 'baby':4A 'comin':1A,2A,19 'country':16 'exotica':14 'home':3A 'jazz':13 'jb':21 'oldies':15 'popcorn':8C 'prerock':20 'tim':5B 'unsorted':22 'vol':9C,10C,17,18 'weisberg':6B
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'classic rock', 'flute', 'flautist', '5 times or less']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537153.34579  (2021-05-09 07:12:33)
                             'size'  8281605