======================== unified (from filesystem) ========================
                                         'bitrate'  '213.101'
                                        'duration'  '195'
                                          'artist'  "I'm From Barcelona"
                                     'text_people'  ''
                                         'release'  'Let Me Introduce My Friends'
                                           'title'  'This Boy (feat. Loney, Dear)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'indie pop', 'indie', 'pop', 'happy']"
                                     'discogstags'  "['rock', 'folk rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '124.775'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Let Me Introduce My Friends'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'This Boy (feat. Loney, Dear)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "I'm From Barcelona"
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['swedish', 'indie pop', 'indie', 'pop', 'happy']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.336618'

========================== row from database ==========================
                                              'id'  1524024
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/I_m From Barcelona/Let Me Introduce My Friends/09 - this boy (feat. loney, dear).mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  195
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5209994
                                           'mtime'  1621786527
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos I_m 09 this boy loney, dear) ifs songwriter indie unsorted
                                      'tag_artist'  I'm From Barcelona
                                     'tag_release'  Let Me Introduce My Friends
                                       'tag_title'  This Boy (feat. Loney, Dear)
                                             'bpm'  124.775
                                    'search_title'  'boy':2 'dear':7,8 'feat':3,4 'loney':5,6 'this':1
                                   'search_artist'  'barcelona':5 'from':4 'i':1 'im':3 'm':2
                                  'search_release'  'friends':5 'introduce':3 'let':1 'me':2 'my':4
                                     'search_rest'  '00singer':1 'boy':7 'dear':10,11 'eos':3 'i':4 'ifs':12 'indie':13 'loney':8,9 'm':5 'songwriter':2 'this':6 'unsorted':14
                                    'search_combo'  '00singer':19 'barcelona':13B 'boy':2A,25 'dear':7A,8A,28,29 'eos':21 'feat':3A,4A 'friends':18C 'from':12B 'i':9B,22 'ifs':30 'im':11B 'indie':31 'introduce':16C 'let':14C 'loney':5A,6A,26,27 'm':10B,23 'me':15C 'my':17C 'songwriter':20 'this':1A,24 'unsorted':32
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'indie pop', 'indie', 'pop', 'happy']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621786526.5519905  (2021-05-23 18:15:26)
                             'size'  5209994