======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Sun River'
                                     'text_people'  ''
                                         'release'  'Sun River'
                                           'title'  'Lights Over the Well'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['folk', 'psychedelic folk', 'acoustic', 'indie', 'alternative']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '9'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '100.1'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sun River'
'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2012-06-26'
'TIT2' (Title/songname/content description)         'Lights Over the Well'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun River'
'TPE2' (Band/orchestra/accompaniment)               'Sun River'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'El Paraiso'
'TRCK' (Track number/Position in set)               '7/9'
'TSRC' (ISRC (international standard recording code))  'USA4D0968050'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavc56.19'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['folk', 'psychedelic folk', 'acoustic', 'indie', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.497186'

========================== row from database ==========================
                                              'id'  1485804
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sun River [2012]/07 - Lights Over the Well.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  ifs-songwriter
                                        'filesize'  8866485
                                           'mtime'  1636915872
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2012] 07 ifs songwriter
                                      'tag_artist'  Sun River
                                     'tag_release'  Sun River
                                       'tag_title'  Lights Over the Well
                                             'bpm'  100.1
                                    'search_title'  'lights':1 'over':2 'the':3 'well':4
                                   'search_artist'  'river':2 'sun':1
                                  'search_release'  'river':2 'sun':1
                                     'search_rest'  '00poprockelectronic':1 '2012':2,3 'ifs':4 'songwriter':5
                                    'search_combo'  '00poprockelectronic':9 '2012':10,11 'ifs':12 'lights':1A 'over':2A 'river':6B,8C 'songwriter':13 'sun':5B,7C 'the':3A 'well':4A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['folk', 'psychedelic folk', 'acoustic', 'indie', 'alternative']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636915871.7044115  (2021-11-14 19:51:11)
                             'size'  8866485