======================== unified (from filesystem) ========================
                                         'bitrate'  '191.712'
                                        'duration'  '96'
                                          'artist'  'The Microphones'
                                     'text_people'  ''
                                         'release'  'The Glow Pt. 2'
                                           'title'  'I Am Bored'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'experimental', 'folk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '133.316'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Glow Pt. 2'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'I Am Bored'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Microphones'
'TPE2' (Band/orchestra/accompaniment)               'The Microphones'
'TPUB' (Publisher)                                  'K'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'experimental', 'folk', 'indie rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.689402'

========================== row from database ==========================
                                              'id'  1252191
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Microphones/The Glow Pt. 2/15 i am bored.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  96
                                           'genre'  ifs-songwriter
                                        'filesize'  2318162
                                           'mtime'  1628357256
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 15 am bored ifs songwriter
                                      'tag_artist'  The Microphones
                                     'tag_release'  The Glow Pt. 2
                                       'tag_title'  I Am Bored
                                             'bpm'  133.316
                                    'search_title'  'am':2 'bored':3 'i':1
                                   'search_artist'  'microphones':2 'the':1
                                  'search_release'  '2':5 'glow':2 'pt':3,4 'the':1
                                     'search_rest'  '00singer':1 'am':4 'bored':5 'eos':3 'ifs':6 'songwriter':2
                                    'search_combo'  '00singer':11 '2':10C 'am':2A,14 'bored':3A,15 'eos':13 'glow':7C 'i':1A 'ifs':16 'microphones':5B 'pt':8C,9C 'songwriter':12 'the':4B,6C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'experimental', 'folk', 'indie rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1628357256.2242858  (2021-08-07 19:27:36)
                             'size'  2318162