======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Rainer Maria'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm Melting!"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-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'  ("['idm cinematic singular', ' noise garage punk', 'brand loyalty', 'avandaro "
 "festival ']")
                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '128.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TBPM' (BPM (beats per minute))                     '128.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         "I'm Melting!"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rainer Maria'
'TPE2' (Band/orchestra/accompaniment)               'Rainer Maria'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['idm cinematic singular',
 ' noise garage punk',
 'brand loyalty',
 'avandaro festival ']
'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'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.439934'

========================== row from database ==========================
                                              'id'  1522310
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rainer Maria/Rainer Maria - I_m Melting.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  rock-unsorted
                                        'filesize'  3123084
                                           'mtime'  1678928116
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos I_m rock unsorted
                                      'tag_artist'  Rainer Maria
                                     'tag_release'  None
                                       'tag_title'  I'm Melting!
                                             'bpm'  128.4
                                    'search_title'  'i':1 'im':3 'm':2 'melting':4
                                   'search_artist'  'maria':2 'rainer':1
                                  'search_release'  
                                     'search_rest'  '00singer':1 'eos':3 'i':4 'm':5 'rock':6 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':7 'eos':9 'i':1A,10 'im':3A 'm':2A,11 'maria':6B 'melting':4A 'rainer':5B 'rock':12 'songwriter':8 'unsorted':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-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'  ['idm cinematic singular', ' noise garage punk', 'brand loyalty', 'avandaro festival ']
                                        'tag_date'  
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1678928115.6505573  (2023-03-16 01:55:15)
                             'size'  3123084