======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '161'
                                          'artist'  'Eric Prydz'
                                     'text_people'  ''
                                         'release'  'Absolute Music 47 (disc 2)'
                                           'title'  'Call On Me'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'techno', 'electronic', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic-th-trance'
                                             'bpm'  '130.146'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Absolute Music 47 (disc 2)'
'TBPM' (BPM (beats per minute))                     '130.146'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-th-trance']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Call On Me'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eric Prydz'
'TRCK' (Track number/Position in set)               '3'
'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:lastfmtags'                                   ['dance', 'house', 'techno', 'electronic', 'trance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.443583'

========================== row from database ==========================
                                              'id'  1285477
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Eric Prydz__Call On Me.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  161
                                           'genre'  electronic-unsorted;electronic-th-trance
                                        'filesize'  3226367
                                           'mtime'  1621696764
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Prydz__Call electronic unsorted;electronic th trance
                                      'tag_artist'  Eric Prydz
                                     'tag_release'  Absolute Music 47 (disc 2)
                                       'tag_title'  Call On Me
                                             'bpm'  130.146
                                    'search_title'  'call':1 'me':3 'on':2
                                   'search_artist'  'eric':1 'prydz':2
                                  'search_release'  '2':6,7 '47':3 'absolute':1 'disc':4,5 'music':2
                                     'search_rest'  '00poprockelectronic':1 'call':8 'electronic':9,11,13 'files':5,6 'loose':3,4 'prydz':7 'th':14 'trance':15 'unsorted':2,10,12
                                    'search_combo'  '00poprockelectronic':13 '2':11C,12C '47':8C 'absolute':6C 'call':1A,20 'disc':9C,10C 'electronic':21,23,25 'eric':4B 'files':17,18 'loose':15,16 'me':3A 'music':7C 'on':2A 'prydz':5B,19 'th':26 'trance':27 'unsorted':14,22,24
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'techno', 'electronic', 'trance']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696763.8417227  (2021-05-22 17:19:23)
                             'size'  3226367