======================== unified (from filesystem) ========================
                                         'bitrate'  '319.973'
                                        'duration'  '306'
                                          'artist'  'Amy Macdonald'
                                     'text_people'  ''
                                         'release'  'This Is the Life'
                                           'title'  "Footballer's Wife"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'acoustic', 'scottish', 'female vocalists', 'singer songwriter']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '100.058'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'This Is the Life'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2007-07-30'
'TIT2' (Title/songname/content description)         "Footballer's Wife"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amy Macdonald'
'TPE2' (Band/orchestra/accompaniment)               'Amy Macdonald'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Vertigo'
'TRCK' (Track number/Position in set)               '10/11'
'TXXX:ALBUMARTISTSORT'                              'Macdonald, Amy'
'TXXX:ASIN'                                         'B000S0H0JG'
'TXXX:BARCODE'                                      '602517321243'
'TXXX:CATALOGNUMBER'                                '173 212-4'
'TXXX:MusicBrainz Album Artist Id'                  '6aa40207-fec8-43a7-991d-b872a42def05'
'TXXX:MusicBrainz Album Id'                         'c52afd3c-2951-4772-939d-5640e3818d99'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6aa40207-fec8-43a7-991d-b872a42def05'
'TXXX:MusicIP PUID'                                 'd0e6f9d2-5b62-bbcc-769d-8c0624d8e2c1'
'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:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'scottish', 'female vocalists', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+4.23 dB'
'TXXX:replaygain_track_peak'                        '0.272313'

========================== row from database ==========================
                                              'id'  1506416
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/10 Footballer_s Wife.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  306
                                           'genre'  ifs-songwriter
                                        'filesize'  12348558
                                           'mtime'  1637330768
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10 Footballer_s ifs songwriter
                                      'tag_artist'  Amy Macdonald
                                     'tag_release'  This Is the Life
                                       'tag_title'  Footballer's Wife
                                             'bpm'  100.058
                                    'search_title'  'footballer':1 'footballers':3 's':2 'wife':4
                                   'search_artist'  'amy':1 'macdonald':2
                                  'search_release'  'is':2 'life':4 'the':3 'this':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'footballer':7 'ifs':9 'loose':3,4 's':8 'songwriter':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'amy':5B 'files':15,16 'footballer':1A,17 'footballers':3A 'ifs':19 'is':8C 'life':10C 'loose':13,14 'macdonald':6B 's':2A,18 'songwriter':20 'the':9C 'this':7C 'unsorted':12 'wife':4A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'scottish', 'female vocalists', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1637330768.3044217  (2021-11-19 15:06:08)
                             'size'  12348558