======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '286'
                                          'artist'  'Sarah McLachlan'
                                     'text_people'  ''
                                         'release'  'Surfacing'
                                           'title'  'I Love You'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'canadian', 'female vocalists', 'pop', 'singer songwriter']"
                                     'discogstags'  "['rock', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '112.1'
                                             'key'  '5B'
                                        'acoustid'  '76403f37-2c60-4681-8a7b-ba3aed0be24d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Surfacing'
'TBPM' (BPM (beats per minute))                     '112.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-07-15'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Pierre Marchand'], ['mix', 'Pierre Marchand']])
'TIT2' (Title/songname/content description)         'I Love You'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah McLachlan'
'TPE2' (Band/orchestra/accompaniment)               'Sarah McLachlan'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Arista'
'TRCK' (Track number/Position in set)               '2/10'
'TSO2'                                              'McLachlan, Sarah'
'TSOP' (Performer sort order)                       'McLachlan, Sarah'
'TSRC' (ISRC (international standard recording code))  'CAN119700084/USAR19700536'
'TXXX:Acoustid Id'                                  '76403f37-2c60-4681-8a7b-ba3aed0be24d'
'TXXX:BARCODE'                                      '02083121522036'
'TXXX:CATALOGNUMBER'                                'ARCD 8970'
'TXXX:MusicBrainz Album Artist Id'                  'ce58d854-7430-4231-aa44-97f0144b3372'
'TXXX:MusicBrainz Album Id'                         '931cfa58-02a7-4a85-b042-bc8b321d0891'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ce58d854-7430-4231-aa44-97f0144b3372'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative', 'canadian', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.723219'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'adcc904c-4afc-44e7-9da2-c93814b11a47')

========================== row from database ==========================
                                              'id'  1475743
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sarah McLachlan - 1997 Surfacing - 320/Sarah McLachlan - 1997 Surfacing - 02 - I Love You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  286
                                           'genre'  ifs-songwriter
                                        'filesize'  11455240
                                           'mtime'  1637330611
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1997 320 1997 02 ifs songwriter
                                      'tag_artist'  Sarah McLachlan
                                     'tag_release'  Surfacing
                                       'tag_title'  I Love You
                                             'bpm'  112.1
                                    'search_title'  'i':1 'love':2 'you':3
                                   'search_artist'  'lachlan':4 'mc':3 'mclachlan':2 'sarah':1
                                  'search_release'  'surfacing':1
                                     'search_rest'  '00singer':1 '1997':4 '320':5 'eos':3 'ifs':6 'songwriter':2
                                    'search_combo'  '00singer':9 '1997':12 '320':13 'eos':11 'i':1A 'ifs':14 'lachlan':7B 'love':2A 'mc':6B 'mclachlan':5B 'sarah':4B 'songwriter':10 'surfacing':8C 'you':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'canadian', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637330611.3636146  (2021-11-19 15:03:31)
                             'size'  11455240