======================== unified (from filesystem) ========================
                                         'bitrate'  '128.147'
                                        'duration'  '223'
                                          'artist'  'The Boats'
                                     'text_people'  ''
                                         'release'  'Sleepy Insect Music'
                                           'title'  'I Did Not Sleep So Soundly'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-1', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'minimal', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '16'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '104.7'
                                             'key'  '8A'
                                        'acoustid'  '9ed862bf-10f0-4090-bc90-d6a86c89430d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Home Normal[home n018]'
'TALB' (Album/Movie/Show title)                     'Sleepy Insect Music'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-04-09'
'TIT2' (Title/songname/content description)         'I Did Not Sleep So Soundly'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Boats'
'TPE2' (Band/orchestra/accompaniment)               'The Boats'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Home Normal'
'TRCK' (Track number/Position in set)               '7/16'
'TSO2'                                              'Boats, The'
'TSOP' (Performer sort order)                       'Boats, The'
'TXXX:Acoustid Id'                                  '9ed862bf-10f0-4090-bc90-d6a86c89430d'
'TXXX:CATALOGNUMBER'                                'home n018'
'TXXX:MusicBrainz Album Artist Id'                  '509dec18-0d85-4879-b666-fb9f4c233420'
'TXXX:MusicBrainz Album Id'                         'ddbc32e2-2de4-40ba-826c-f0f84a4811aa'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '509dec18-0d85-4879-b666-fb9f4c233420'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'minimal', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '1'
'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'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.92 dB'
'TXXX:replaygain_track_peak'                        '0.886135'

========================== row from database ==========================
                                              'id'  645904
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/[flau 19] the boats - sleepy insect music/07 - i did not sleep so soundly.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  electronic-ambient
                                        'filesize'  3673613
                                           'mtime'  1636910443
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [flau 19] the boats sleepy insect music 07 did not sleep so soundly electronic ambient
                                      'tag_artist'  The Boats
                                     'tag_release'  Sleepy Insect Music
                                       'tag_title'  I Did Not Sleep So Soundly
                                             'bpm'  104.7
                                    'search_title'  'did':2 'i':1 'not':3 'sleep':4 'so':5 'soundly':6
                                   'search_artist'  'boats':2 'the':1
                                  'search_release'  'insect':2 'music':3 'sleepy':1
                                     'search_rest'  '19':3,4 'ambient':16 'boats':6 'did':10 'electronic':15 'flau':1,2 'insect':8 'music':9 'not':11 'sleep':12 'sleepy':7 'so':13 'soundly':14 'the':5
                                    'search_combo'  '19':14,15 'ambient':27 'boats':8B,17 'did':2A,21 'electronic':26 'flau':12,13 'i':1A 'insect':10C,19 'music':11C,20 'not':3A,22 'sleep':4A,23 'sleepy':9C,18 'so':5A,24 'soundly':6A,25 'the':7B,16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'minimal', 'experimental', 'ambient']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910443.0502195  (2021-11-14 18:20:43)
                             'size'  3673613