======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '309'
                                          'artist'  'Rice, Damien'
                                     'text_people'  ''
                                         'release'  'O'
                                           'title'  'Cannonball'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'singer-songwriter', 'folk', 'indie', 'irish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '145.267'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '980E690A'
'COMM:ID3v1 Comment:XXX'                            '980E690A'
'TALB' (Album/Movie/Show title)                     'O'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Cannonball'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Damien Rice'
'TPE2' (Band/orchestra/accompaniment)               'Rice, Damien'
'TRCK' (Track number/Position in set)               '4/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.01, Fraunhofer acm, 224 kBit/s, 44,100 Hz, Stereo, HQ = on'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'singer-songwriter', 'folk', 'indie', 'irish']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.35 dB'
'TXXX:replaygain_track_peak'                        '0.579730'

========================== row from database ==========================
                                              'id'  1248680
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rice, Damien - Damien Rice/O/04 - Cannonball.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  309
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  8713622
                                           'mtime'  1636400454
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 ifs songwriter indie
                                      'tag_artist'  Rice, Damien
                                     'tag_release'  O
                                       'tag_title'  Cannonball
                                             'bpm'  145.267
                                    'search_title'  'cannonball':1
                                   'search_artist'  'damien':3 'rice':1,2
                                  'search_release'  'o':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2
                                    'search_combo'  '00singer':6 'cannonball':1A 'damien':4B 'eos':8 'ifs':9 'indie':10 'o':5C 'rice':2B,3B 'songwriter':7
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'singer-songwriter', 'folk', 'indie', 'irish']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400454.1827593  (2021-11-08 20:40:54)
                             'size'  8713622