======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '229'
                                          'artist'  'Rainer Maria'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Reason the Night is Long'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      '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'  'ifs-songwriter-indie-rock'
                                             'bpm'  '107.322'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.322'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'The Reason the Night is Long'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rainer Maria'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.430111'

========================== row from database ==========================
                                              'id'  1270791
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rainer Maria/rainer maria - the reason the night is long (1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  229
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3665618
                                           'mtime'  1638554811
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos rainer maria reason night long (1) ifs songwriter indie rock
                                      'tag_artist'  Rainer Maria
                                     'tag_release'  None
                                       'tag_title'  The Reason the Night is Long
                                             'bpm'  107.322
                                    'search_title'  'is':4 'long':5 'night':3 'reason':2 'the':1
                                   'search_artist'  'maria':2 'rainer':1
                                  'search_release'  
                                     'search_rest'  '00singer':1 '1':9,10 'eos':3 'ifs':11 'indie':12 'long':8 'maria':5 'night':7 'rainer':4 'reason':6 'rock':13 'songwriter':2
                                    'search_combo'  '00singer':8 '1':16,17 'eos':10 'ifs':18 'indie':19 'is':4A 'long':5A,15 'maria':7B,12 'night':3A,14 'rainer':6B,11 'reason':2A,13 'rock':20 'songwriter':9 'the':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['idm cinematic singular', ' noise garage punk', 'brand loyalty', 'avandaro festival ']
                                        'tag_date'  
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1638554810.9815872  (2021-12-03 19:06:50)
                             'size'  3665618