======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '151'
                                          'artist'  'The Bonzo Dog Band'
                                     'text_people'  ''
                                         'release'  'Keynsham'
                                           'title'  'We Were Wrong'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eccentric', 'jazz', 'comedy', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'entertaining-eccentric'
                                             'bpm'  '95.528'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Keynsham'
'TBPM' (BPM (beats per minute))                     '95.528'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-eccentric'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'We Were Wrong'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bonzo Dog Band'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['eccentric', 'jazz', 'comedy', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.578246'

========================== row from database ==========================
                                              'id'  135836
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Bonzo Dog Band/Keynsham/MBZ;#The Bonzo Dog Band;#Keynsham;#05;#We Were Wrong.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  151
                                           'genre'  entertaining-eccentric
                                        'filesize'  4855019
                                           'mtime'  1620579842
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MBZ;#The Band;#Keynsham;#05;#We entertaining eccentric
                                      'tag_artist'  The Bonzo Dog Band
                                     'tag_release'  Keynsham
                                       'tag_title'  We Were Wrong
                                             'bpm'  95.528
                                    'search_title'  'we':1 'were':2 'wrong':3
                                   'search_artist'  'band':4 'bonzo':2 'dog':3 'the':1
                                  'search_release'  'keynsham':1
                                     'search_rest'  '05':7,11 'band':5,9 'eccentric':14 'entertaining':13 'keynsham':6,10 'mbz':1,3 'the':2,4 'we':8,12
                                    'search_combo'  '05':15,19 'band':7B,13,17 'bonzo':5B 'dog':6B 'eccentric':22 'entertaining':21 'keynsham':8C,14,18 'mbz':9,11 'the':4B,10,12 'we':1A,16,20 'were':2A 'wrong':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['eccentric', 'jazz', 'comedy', 'psychedelic', 'rock']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620579841.9241645  (2021-05-09 19:04:01)
                             'size'  4855019