======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '374'
                                          'artist'  'Tony Coe & Alan Barnes'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  "oh lady be good (gershwin's)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '107.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '107.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "oh lady be good (gershwin's)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Coe & Alan Barnes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.57 dB'
'TXXX:replaygain_track_peak'                        '0.884275'

========================== row from database ==========================
                                              'id'  1497802
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Tony Coe & Alan Barnes - oh lady be good (gershwin_s).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  374
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  12005375
                                           'mtime'  1620541581
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (gershwin_s) prerock jb unsorted
                                      'tag_artist'  Tony Coe & Alan Barnes
                                     'tag_release'  radio jazz 13
                                       'tag_title'  oh lady be good (gershwin's)
                                             'bpm'  107.0
                                    'search_title'  'be':3 'gershwin':5 'gershwins':7 'good':4 'lady':2 'oh':1 's':6
                                   'search_artist'  'alan':3 'barnes':4 'coe':2 'tony':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'gershwin':2,4 'jb':7 'prerock':6 's':3,5 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 'alan':10B 'barnes':11B 'be':3A 'coe':9B 'gershwin':5A,15,17 'gershwins':7A 'good':4A 'jazz':13C 'jb':20 'lady':2A 'oh':1A 'prerock':19 'radio':12C 's':6A,16,18 'tony':8B 'unsorted':21
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541580.509325  (2021-05-09 08:26:20)
                             'size'  12005375