======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '218'
                                          'artist'  'Steve Dahl'
                                     'text_people'  ''
                                         'release'  'Disco Sickness'
                                           'title'  "D'Ya Think I'm Disco"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['comedy', 'best of', 'best show']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '120.830'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'Disco Sickness'
'TBPM' (BPM (beats per minute))                     '120.830'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT2' (Title/songname/content description)         "D'Ya Think I'm Disco"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Dahl'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['comedy', 'best of', 'best show']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.466697'

========================== row from database ==========================
                                              'id'  1520321
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/306_14_Steve_Dahl_-_D_Ya_Think_I_m_Disco.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  218
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5377171
                                           'mtime'  1620565303
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 306_14_Steve_Dahl_ _D_Ya_Think_I_m_Disco electronic we disco or italo
                                      'tag_artist'  Steve Dahl
                                     'tag_release'  Disco Sickness
                                       'tag_title'  D'Ya Think I'm Disco
                                             'bpm'  120.83
                                    'search_title'  'd':1 'disco':8 'dya':3 'i':5 'im':7 'm':6 'think':4 'ya':2
                                   'search_artist'  'dahl':2 'steve':1
                                  'search_release'  'disco':1 'sickness':2
                                     'search_rest'  '00poprockelectronic':1 '14':3 '306':2 'd':6 'dahl':5 'disco':11,14 'electronic':12 'i':9 'italo':16 'm':10 'or':15 'steve':4 'think':8 'we':13 'ya':7
                                    'search_combo'  '00poprockelectronic':13 '14':15 '306':14 'd':1A,18 'dahl':10B,17 'disco':8A,11C,23,26 'dya':3A 'electronic':24 'i':5A,21 'im':7A 'italo':28 'm':6A,22 'or':27 'sickness':12C 'steve':9B,16 'think':4A,20 'we':25 'ya':2A,19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['comedy', 'best of', 'best show']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565302.6023836  (2021-05-09 15:01:42)
                             'size'  5377171